diff --git a/.travis.yml b/.travis.yml
index 24f2819b0..1464257a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ python:
   - "3.5"
   - "3.6"
 env:
-  - TRAVIS_NODE_VERSION="4"
+  - TRAVIS_NODE_VERSION="10.1"
 before_install:
   - nvm install $TRAVIS_NODE_VERSION
   - curl -o- -L https://yarnpkg.com/install.sh | bash
diff --git a/Dockerfile b/Dockerfile
index aa81d30ca..9e6fc9b0c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,9 @@ RUN apt-get -y update && apt-get -y upgrade
 
 RUN apt-get install -y libpq-dev supervisor curl vim
 ## BUILD JS STUFF
-RUN wget https://nodejs.org/dist/v6.11.3/node-v6.11.3-linux-x64.tar.xz -P /tmp
-RUN cd /tmp && tar xfvJ node-v6.11.3-linux-x64.tar.xz
-RUN ln -sf /tmp/node-v6.11.3-linux-x64/bin/node /usr/bin/node
+RUN wget https://nodejs.org/dist/v10.1.0/node-v10.1.0-linux-x64.tar.xz -P /tmp && \
+  cd /tmp && tar xfvJ node-v10.1.0-linux-x64.tar.xz && \
+  ln -sf /tmp/node-v10.1.0-linux-x64/bin/node /usr/bin/node
 RUN useradd -m openslides
 RUN mkdir /app
 COPY package.json yarn.lock bower.json gulpfile.js /app/
@@ -27,9 +27,9 @@ RUN rm -rf /var/lib/apt/lists/*
 # BUILD APP
 ADD . /app
 
-RUN node_modules/.bin/gulp --production
-RUN rm -fr /app/bower_components
-RUN rm -fr /app/node_modules
+RUN node_modules/.bin/gulp --production && \
+  rm -fr /app/bower_components && \
+  rm -fr /app/node_modules
 
 RUN mkdir /data && chown openslides /data
 USER openslides
diff --git a/gulpfile.js b/gulpfile.js
index ec291dce5..0d1d43a25 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -30,21 +30,28 @@ var argv = require('yargs').argv,
     uglify = require('gulp-uglify'),
     vsprintf = require('sprintf-js').vsprintf;
 
+
 // Directory where the results go to
 var output_directory = path.join('openslides', 'static');
 
 
+// Container for all watchers
+var watchers = [];
+
+
 /**
  * Default tasks to be run before start.
  */
 
 // Catches all JavaScript files (excluded worker files) from all core apps and concats them to one
 // file js/openslides.js. In production mode the file is uglified.
+var js_src = [
+    path.join('openslides', '*', 'static', 'js', '**', '*.js'),
+    '!' + path.join('openslides', 'core', 'static', 'js', 'core', 'pdf-worker.js'),
+];
+
 gulp.task('js', function () {
-    return gulp.src([
-            path.join('openslides', '*', 'static', 'js', '**', '*.js'),
-            '!' + path.join('openslides', 'core', 'static', 'js', 'core', 'pdf-worker.js'),
-        ])
+    return gulp.src(js_src)
         .pipe(sourcemaps.init())
         .pipe(concat('openslides.js'))
         .pipe(sourcemaps.write())
@@ -53,9 +60,14 @@ gulp.task('js', function () {
         .pipe(gulp.dest(path.join(output_directory, 'js')));
 });
 
+watchers.push(function () {
+    gulp.watch(js_src, gulp.series('js'));
+});
+
+
 // Catches all JavaScript files from all bower components and concats them to
 // one file js/openslides-libs.js. In production mode the file is uglified.
-gulp.task('js-libs', function () {
+gulp.task('js_libs', function () {
     return gulp.src(mainBowerFiles({
             filter: /\.js$/
         }))
@@ -70,28 +82,34 @@ gulp.task('js-libs', function () {
         .pipe(gulp.dest(path.join(output_directory, 'js')));
 });
 
-// Catches all pdfmake files for pdf worker.
-gulp.task('pdf-worker', function () {
-    return gulp.src([
-            path.join('openslides', 'core', 'static', 'js', 'core', 'pdf-worker.js'),
-        ])
+
+// Catches all pdfmake files for pdf worker and pdfmake library.
+var pdf_worker_src = path.join('openslides', 'core', 'static', 'js', 'core', 'pdf-worker.js');
+
+gulp.task('pdf_worker', function () {
+    return gulp.src(pdf_worker_src)
         .pipe(gulpif(argv.production, uglify()))
         .pipe(gulp.dest(path.join(output_directory, 'js', 'workers')));
 });
-// pdfmake files
-gulp.task('pdf-worker-libs', function () {
-    return gulp.src([
-            path.join('bower_components', 'pdfmake', 'build', 'pdfmake.min.js'),
-        ])
+
+gulp.task('pdf_worker_libs', function () {
+    return gulp.src(path.join('bower_components', 'pdfmake', 'build', 'pdfmake.min.js'))
         .pipe(gulpif(argv.production, uglify()))
         .pipe(rename('pdf-worker-libs.js'))
         .pipe(gulp.dest(path.join(output_directory, 'js', 'workers')));
 });
 
+watchers.push(function () {
+    gulp.watch(pdf_worker_src, gulp.series('pdf_worker'));
+});
+
+
 // Catches all template files from all core apps and concats them to one
 // file js/openslides-templates.js. In production mode the file is uglified.
+var templates_src = path.join('openslides', '*', 'static', 'templates', '**', '*.html');
+
 gulp.task('templates', function () {
-    return gulp.src(path.join('openslides', '*', 'static', 'templates', '**', '*.html'))
+    return gulp.src(templates_src)
         .pipe(templateCache('openslides-templates.js', {
             module: 'OpenSlidesApp-templates',
             standalone: true,
@@ -106,33 +124,44 @@ gulp.task('templates', function () {
         .pipe(gulp.dest(path.join(output_directory, 'js')));
 });
 
+watchers.push(function () {
+    gulp.watch(templates_src, gulp.series('templates'));
+});
+
+
 // Build the openslides-site.css file from the main file core/static/css/site.scss.
 // Minimizes the outputfile if the production flag is given.
-gulp.task('css-site', function () {
-    return gulp.src([
-            path.join('openslides', 'core', 'static', 'css', 'site.scss')
-        ])
+gulp.task('css_site', function () {
+    return gulp.src(path.join('openslides', 'core', 'static', 'css', 'site.scss'))
         .pipe(sass().on('error', sass.logError))
         .pipe(gulpif(argv.production, cssnano({safe: true})))
         .pipe(rename('openslides-site.css'))
         .pipe(gulp.dest(path.join(output_directory, 'css')));
 });
 
+
 // Build the openslides-projector.css file from the main file core/static/css/projector.scss.
 // Minimizes the outputfile if the production flag is given.
-gulp.task('css-projector', function () {
-    return gulp.src([
-            path.join('openslides', 'core', 'static', 'css', 'projector.scss')
-        ])
+gulp.task('css_projector', function () {
+    return gulp.src(path.join('openslides', 'core', 'static', 'css', 'projector.scss'))
         .pipe(sass().on('error', sass.logError))
         .pipe(gulpif(argv.production, cssnano({safe: true})))
         .pipe(rename('openslides-projector.css'))
         .pipe(gulp.dest(path.join(output_directory, 'css')));
 });
 
+
+// Watcher for scss files.
+// We cannot differentiate between all scss files which belong to each realm. So if
+// one scss file changes the site and projector css is rebuild.
+watchers.push(function () {
+  gulp.watch(path.join('openslides', '*', 'static', 'css', '**', '*.scss'), gulp.parallel('css_site', 'css_projector'));
+});
+
+
 // Catches all CSS files from all bower components and concats them to one file
 // css/openslides-libs.css. In production mode the file is uglified.
-gulp.task('css-libs', function () {
+gulp.task('css_libs', function () {
     return gulp.src(mainBowerFiles({
             filter: /\.css$/
         }))
@@ -141,22 +170,25 @@ gulp.task('css-libs', function () {
         .pipe(gulp.dest(path.join(output_directory, 'css')));
 });
 
+
 // Catches all font files from all bower components.
-gulp.task('fonts-libs', function() {
+gulp.task('fonts_libs', function () {
     return gulp.src(mainBowerFiles({
             filter: /\.(woff)|(woff2)$/
         }))
         .pipe(gulp.dest(path.join(output_directory, 'fonts')));
 });
 
+
 // Catches image files for angular-chosen.
-gulp.task('angular-chosen-img', function () {
+gulp.task('angular_chosen_img', function () {
     return gulp.src(path.join('bower_components', 'chosen', '*.png'))
         .pipe(gulp.dest(path.join(output_directory, 'css')));
 });
 
-// CKEditor defaults
-gulp.task('ckeditor-defaults', function () {
+
+// Tasks for CKEditor
+gulp.task('ckeditor_defaults', function () {
     return gulp.src([
             path.join('bower_components', 'ckeditor', 'styles.js'),
             path.join('bower_components', 'ckeditor', 'contents.css'),
@@ -164,8 +196,7 @@ gulp.task('ckeditor-defaults', function () {
         .pipe(gulp.dest(path.join(output_directory, 'ckeditor')));
 });
 
-// CKEditor skins
-gulp.task('ckeditor-skins', function () {
+gulp.task('ckeditor_skins', function () {
     return gulp.src(
             [
                 path.join('bower_components', 'ckeditor', 'skins', 'moono-lisa', '**', '*'),
@@ -177,8 +208,7 @@ gulp.task('ckeditor-skins', function () {
         .pipe(gulp.dest(path.join(output_directory, 'ckeditor', 'skins')));
 });
 
-// CKEditor plugins
-gulp.task('ckeditor-plugins', function () {
+gulp.task('ckeditor_plugins', function () {
     return gulp.src(
             [
                 path.join('bower_components', 'ckeditor', 'plugins', 'clipboard', '**', '*'),
@@ -205,8 +235,7 @@ gulp.task('ckeditor-plugins', function () {
         .pipe(gulp.dest(path.join(output_directory, 'ckeditor', 'plugins')));
 });
 
-// CKEditor languages
-gulp.task('ckeditor-lang', function () {
+gulp.task('ckeditor_lang', function () {
     return gulp.src([
             path.join('bower_components', 'ckeditor', 'lang', 'en.js'),
             path.join('bower_components', 'ckeditor', 'lang', 'de.js'),
@@ -219,8 +248,8 @@ gulp.task('ckeditor-lang', function () {
         .pipe(gulp.dest(path.join(output_directory, 'ckeditor', 'lang')));
 });
 
-// Combines all CKEditor related tasks.
-gulp.task('ckeditor', ['ckeditor-defaults', 'ckeditor-skins', 'ckeditor-plugins', 'ckeditor-lang'], function () {});
+gulp.task('ckeditor', gulp.parallel('ckeditor_defaults', 'ckeditor_skins', 'ckeditor_plugins', 'ckeditor_lang'));
+
 
 // Compiles translation files (*.po) to *.json and saves them in the directory
 // openslides/static/i18n/.
@@ -232,21 +261,22 @@ gulp.task('translations', function () {
         .pipe(gulp.dest(path.join(output_directory, 'i18n')));
 });
 
+
 // Gulp default task. Runs all other tasks before.
-gulp.task('default', [
+gulp.task('default', gulp.parallel(
         'js',
-        'js-libs',
-        'pdf-worker',
-        'pdf-worker-libs',
+        'js_libs',
+        'pdf_worker',
+        'pdf_worker_libs',
         'templates',
-        'css-site',
-        'css-projector',
-        'css-libs',
-        'fonts-libs',
+        'css_site',
+        'css_projector',
+        'css_libs',
+        'fonts_libs',
+        'angular_chosen_img',
         'ckeditor',
-        'angular-chosen-img',
         'translations'
-    ], function () {});
+));
 
 
 /**
@@ -254,41 +284,41 @@ gulp.task('default', [
  */
 
 // Watches changes in JavaScript and templates.
-gulp.task('watch', ['js', 'templates', 'pdf-worker', 'css-site', 'css-projector'], function () {
-    gulp.watch([
-        path.join('openslides', '*', 'static', 'js', '**', '*.js'),
-        '!' + path.join('openslides', 'core', 'static', 'js', 'core', 'pdf-worker.js')
-    ], ['js']);
-    gulp.watch(path.join('openslides', '*', 'static', 'templates', '**', '*.html'), ['templates']);
-    gulp.watch(path.join('openslides', 'core', 'static', 'js', 'core', 'pdf-worker.js'), ['pdf-worker']);
-    // We cannot differentiate between all scss files which belong to each realm. So if
-    // one scss file changes the site and projector css is rebuild.
-    gulp.watch(path.join('openslides', '*', 'static', 'css', '**', '*.scss'), ['css-site', 'css-projector']);
+gulp.task('watching', function () {
+    // This tasks never completes because it starts all watchers and let them
+    // watch forever ...
+    for (var i = 0; i < watchers.length; i++) {
+        watchers[i]();
+    }
 });
 
+gulp.task('watch', gulp.series(gulp.parallel('js', 'pdf_worker', 'templates', 'css_site', 'css_projector'), 'watching'));
+
+
 // Extracts translatable strings using angular-gettext and saves them in file
 // openslides/locale/angular-gettext/template-en.pot.
 gulp.task('pot', function () {
     return gulp.src([
-            'openslides/core/static/templates/*.html',
-            'openslides/*/static/templates/**/*.html',
-            'openslides/*/static/js/*/*.js',
+            templates_src,
+            path.join('openslides', '*', 'static', 'js', '**', '*.js'),
         ])
         .pipe(gettext.extract('template-en.pot', {}))
         .pipe(gulp.dest('openslides/locale/angular-gettext/'));
 });
 
+
 // Checks JavaScript using JSHint
 gulp.task('jshint', function () {
     return gulp.src([
             'gulpfile.js',
-            path.join( 'openslides', '*', 'static', '**', '*.js' ),
+            path.join('openslides', '*', 'static', 'js', '**', '*.js'),
         ])
         .pipe(jshint())
         .pipe(jshint.reporter('default'))
         .pipe(jshint.reporter('fail'));
 });
 
+
 // Extracts names, URLs and licensed of all uses bower components and prints
 // it to the console. This is useful to update the README.rst during release
 // process.
diff --git a/package.json b/package.json
index ff055d14d..06cd01ae9 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
   "devDependencies": {
     "angular-mocks": "~1.5.11",
     "bower": "^1.8.0",
-    "gulp": "^3.9.1",
+    "gulp": "~4.0.0",
     "gulp-angular-gettext": "^2.2.0",
     "gulp-angular-templatecache": "^2.0.0",
     "gulp-concat": "^2.6.1",
diff --git a/yarn.lock b/yarn.lock
index 50a02135d..9ab2f16ff 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -133,6 +133,19 @@ anymatch@^1.3.0:
     micromatch "^2.1.5"
     normalize-path "^2.0.0"
 
+anymatch@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-2.0.0.tgz#bcb24b4f37934d9aa7ac17b4adaf89e7c76ef2eb"
+  dependencies:
+    micromatch "^3.1.4"
+    normalize-path "^2.1.1"
+
+append-buffer@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/append-buffer/-/append-buffer-1.0.2.tgz#d8220cf466081525efea50614f3de6514dfa58f1"
+  dependencies:
+    buffer-equal "^1.0.0"
+
 aproba@^1.0.3:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
@@ -171,10 +184,22 @@ arr-diff@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/arr-diff/-/arr-diff-4.0.0.tgz#d6461074febfec71e7e15235761a329a5dc7c520"
 
+arr-filter@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/arr-filter/-/arr-filter-1.1.2.tgz#43fdddd091e8ef11aa4c45d9cdc18e2dff1711ee"
+  dependencies:
+    make-iterator "^1.0.0"
+
 arr-flatten@^1.0.1, arr-flatten@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
 
+arr-map@^2.0.0, arr-map@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/arr-map/-/arr-map-2.0.2.tgz#3a77345ffc1cf35e2a91825601f9e58f2e24cac4"
+  dependencies:
+    make-iterator "^1.0.0"
+
 arr-union@^2.0.1:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/arr-union/-/arr-union-2.1.0.tgz#20f9eab5ec70f5c7d215b1077b1c39161d292c7d"
@@ -187,7 +212,7 @@ array-differ@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
 
-array-each@^1.0.1:
+array-each@^1.0.0, array-each@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/array-each/-/array-each-1.0.1.tgz#a794af0c05ab1752846ee753a1f211a05ba0c44f"
 
@@ -195,6 +220,19 @@ array-find-index@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
 
+array-initial@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/array-initial/-/array-initial-1.1.0.tgz#2fa74b26739371c3947bd7a7adc73be334b3d795"
+  dependencies:
+    array-slice "^1.0.0"
+    is-number "^4.0.0"
+
+array-last@^1.1.1:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/array-last/-/array-last-1.3.0.tgz#7aa77073fec565ddab2493f5f88185f404a9d336"
+  dependencies:
+    is-number "^4.0.0"
+
 array-slice@^0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-0.2.3.tgz#dd3cfb80ed7973a75117cdac69b0b99ec86186f5"
@@ -203,6 +241,14 @@ array-slice@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/array-slice/-/array-slice-1.1.0.tgz#e368ea15f89bc7069f7ffb89aec3a6c7d4ac22d4"
 
+array-sort@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-sort/-/array-sort-1.0.0.tgz#e4c05356453f56f53512a7d1d6123f2c54c0a88a"
+  dependencies:
+    default-compare "^1.0.0"
+    get-value "^2.0.6"
+    kind-of "^5.0.2"
+
 array-union@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
@@ -245,6 +291,15 @@ assign-symbols@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assign-symbols/-/assign-symbols-1.0.0.tgz#59667f41fadd4f20ccbc2bb96b8d4f7f78ec0367"
 
+async-done@^1.2.0, async-done@^1.2.2:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/async-done/-/async-done-1.3.1.tgz#14b7b73667b864c8f02b5b253fc9c6eddb777f3e"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.2"
+    process-nextick-args "^1.0.7"
+    stream-exhaust "^1.0.1"
+
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
@@ -253,6 +308,12 @@ async-foreach@^0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/async-foreach/-/async-foreach-0.1.3.tgz#36121f845c0578172de419a97dbeb1d16ec34542"
 
+async-settle@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/async-settle/-/async-settle-1.0.0.tgz#1d0a914bb02575bec8a8f3a74e5080f72b2c0c6b"
+  dependencies:
+    async-done "^1.2.2"
+
 async@^1.2.1:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
@@ -292,6 +353,20 @@ babylon@^6.11.4:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
+bach@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/bach/-/bach-1.2.0.tgz#4b3ce96bf27134f79a1b414a51c14e34c3bd9880"
+  dependencies:
+    arr-filter "^1.1.1"
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    array-each "^1.0.0"
+    array-initial "^1.0.0"
+    array-last "^1.1.1"
+    async-done "^1.2.2"
+    async-settle "^1.0.0"
+    now-and-later "^2.0.0"
+
 backo2@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/backo2/-/backo2-1.0.2.tgz#31ab1ac8b129363463e35b3ebb69f4dfcfba7947"
@@ -391,7 +466,7 @@ bower@^1.8.0:
   version "1.8.4"
   resolved "https://registry.yarnpkg.com/bower/-/bower-1.8.4.tgz#e7876a076deb8137f7d06525dc5e8c66db82f28a"
 
-brace-expansion@^1.0.0, brace-expansion@^1.1.7:
+brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
   dependencies:
@@ -412,7 +487,7 @@ braces@^1.8.2:
     preserve "^0.2.0"
     repeat-element "^1.1.2"
 
-braces@^2.3.1:
+braces@^2.3.0, braces@^2.3.1:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
   dependencies:
@@ -434,6 +509,10 @@ browserslist@^1.3.6, browserslist@^1.5.2, browserslist@^1.7.6:
     caniuse-db "^1.0.30000639"
     electron-to-chromium "^1.2.7"
 
+buffer-equal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-equal/-/buffer-equal-1.0.0.tgz#59616b498304d556abd466966b22eeda3eca5fbe"
+
 buffer-from@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.0.tgz#87fcaa3a298358e0ade6e442cfce840740d1ad04"
@@ -546,6 +625,24 @@ chokidar@^1.4.1:
   optionalDependencies:
     fsevents "^1.0.0"
 
+chokidar@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.0.3.tgz#dcbd4f6cbb2a55b4799ba8a840ac527e5f4b1176"
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.0"
+    braces "^2.3.0"
+    glob-parent "^3.1.0"
+    inherits "^2.0.1"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^2.1.1"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.0.0"
+    upath "^1.0.0"
+  optionalDependencies:
+    fsevents "^1.1.2"
+
 chownr@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
@@ -600,10 +697,6 @@ clone-stats@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/clone-stats/-/clone-stats-1.0.0.tgz#b3782dff8bb5474e18b9b6bf0fdfe782f8777680"
 
-clone@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/clone/-/clone-0.2.0.tgz#c6126a90ad4f72dbf5acdb243cc37724fe93fc1f"
-
 clone@^1.0.0, clone@^1.0.2:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.4.tgz#da309cc263df15994c688ca902179ca3c7cd7c7e"
@@ -634,6 +727,14 @@ code-point-at@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
+collection-map@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/collection-map/-/collection-map-1.0.0.tgz#aea0f06f8d26c780c2b75494385544b2255af18c"
+  dependencies:
+    arr-map "^2.0.2"
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
 collection-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"
@@ -725,7 +826,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@1.6.2:
+concat-stream@1.6.2, concat-stream@^1.6.0:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
   dependencies:
@@ -763,7 +864,7 @@ content-type@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
 
-convert-source-map@1.X, convert-source-map@^1.1.1:
+convert-source-map@1.X, convert-source-map@^1.1.1, convert-source-map@^1.5.0:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
@@ -775,6 +876,13 @@ copy-descriptor@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
 
+copy-props@^2.0.1:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/copy-props/-/copy-props-2.0.4.tgz#93bb1cadfafd31da5bb8a9d4b41f471ec3a72dfe"
+  dependencies:
+    each-props "^1.3.0"
+    is-plain-object "^2.0.1"
+
 core-js@^2.2.0:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"
@@ -940,11 +1048,22 @@ deep-extend@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
 
-defaults@^1.0.0:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+default-compare@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/default-compare/-/default-compare-1.0.0.tgz#cb61131844ad84d84788fb68fd01681ca7781a2f"
   dependencies:
-    clone "^1.0.2"
+    kind-of "^5.0.2"
+
+default-resolution@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/default-resolution/-/default-resolution-2.0.0.tgz#bcb82baa72ad79b426a76732f1a81ad6df26d684"
+
+define-properties@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
+  dependencies:
+    foreach "^2.0.5"
+    object-keys "^1.0.8"
 
 define-property@^0.2.5:
   version "0.2.5"
@@ -981,10 +1100,6 @@ depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
 
-deprecated@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
-
 detect-file@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-1.0.0.tgz#f0d66d03672a825cb1b73bdb3fe62310c8e552b7"
@@ -1054,7 +1169,7 @@ duplexer@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
 
-duplexify@^3.2.0, duplexify@^3.5.0:
+duplexify@^3.2.0, duplexify@^3.5.0, duplexify@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.6.0.tgz#592903f5d80b38d037220541264d69a198fb3410"
   dependencies:
@@ -1063,6 +1178,13 @@ duplexify@^3.2.0, duplexify@^3.5.0:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
+each-props@^1.3.0:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/each-props/-/each-props-1.3.2.tgz#ea45a414d16dd5cfa419b1a81720d5ca06892333"
+  dependencies:
+    is-plain-object "^2.0.1"
+    object.defaults "^1.1.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -1081,18 +1203,12 @@ encodeurl@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
-end-of-stream@^1.0.0:
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
   dependencies:
     once "^1.4.0"
 
-end-of-stream@~0.1.5:
-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-0.1.5.tgz#8e177206c3c80837d85632e8b9359dfe8b2f6eaf"
-  dependencies:
-    once "~1.3.0"
-
 engine.io-client@1.8.3:
   version "1.8.3"
   resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-1.8.3.tgz#1798ed93451246453d4c6f635d7a201fe940d5ab"
@@ -1177,7 +1293,7 @@ es6-symbol@^3.1.1, es6-symbol@~3.1.1:
     d "1"
     es5-ext "~0.10.14"
 
-es6-weak-map@^2.0.2:
+es6-weak-map@^2.0.1, es6-weak-map@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
   dependencies:
@@ -1333,7 +1449,7 @@ extsprintf@^1.2.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
 
-fancy-log@^1.1.0:
+fancy-log@^1.1.0, fancy-log@^1.3.2:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/fancy-log/-/fancy-log-1.3.2.tgz#f41125e3d84f2e7d89a43d06d958c8f78be16be1"
   dependencies:
@@ -1390,10 +1506,6 @@ finalhandler@1.1.0:
     statuses "~1.3.1"
     unpipe "~1.0.0"
 
-find-index@^0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
-
 find-up@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
@@ -1432,6 +1544,13 @@ flatten@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/flatten/-/flatten-1.0.2.tgz#dae46a9d78fbe25292258cc1e780a41d95c03782"
 
+flush-write-stream@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.3.tgz#c5d586ef38af6097650b49bc41b55fabb19f35bd"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.4"
+
 follow-redirects@^1.0.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.0.tgz#234f49cf770b7f35b40e790f636ceba0c3a0ab77"
@@ -1454,6 +1573,10 @@ for-own@^1.0.0:
   dependencies:
     for-in "^1.0.1"
 
+foreach@^2.0.5:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/foreach/-/foreach-2.0.5.tgz#0bee005018aeb260d0a3af3ae658dd0136ec1b99"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -1508,11 +1631,18 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.2.1"
 
+fs-mkdirp-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs-mkdirp-stream/-/fs-mkdirp-stream-1.0.0.tgz#0b7815fc3201c6a69e14db98ce098c16935259eb"
+  dependencies:
+    graceful-fs "^4.1.11"
+    through2 "^2.0.3"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
 
-fsevents@^1.0.0:
+fsevents@^1.0.0, fsevents@^1.1.2:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-1.2.4.tgz#f41dcb1af2582af3692da36fc55cbd8e1041c426"
   dependencies:
@@ -1545,12 +1675,6 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
-gaze@^0.5.1:
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/gaze/-/gaze-0.5.2.tgz#40b709537d24d1d45767db5a908689dfe69ac44f"
-  dependencies:
-    globule "~0.1.0"
-
 gaze@^1.0.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/gaze/-/gaze-1.1.3.tgz#c441733e13b927ac8c0ff0b4c3b033f28812924a"
@@ -1598,24 +1722,13 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob-parent@^3.0.0:
+glob-parent@^3.0.0, glob-parent@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
   dependencies:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob-stream@^3.1.5:
-  version "3.1.18"
-  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-3.1.18.tgz#9170a5f12b790306fdfe598f313f8f7954fd143b"
-  dependencies:
-    glob "^4.3.1"
-    glob2base "^0.0.12"
-    minimatch "^2.0.1"
-    ordered-read-streams "^0.1.0"
-    through2 "^0.6.1"
-    unique-stream "^1.0.0"
-
 glob-stream@^5.3.2:
   version "5.3.5"
   resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-5.3.5.tgz#a55665a9a8ccdc41915a87c701e32d4e016fad22"
@@ -1629,26 +1742,29 @@ glob-stream@^5.3.2:
     to-absolute-glob "^0.1.1"
     unique-stream "^2.0.2"
 
-glob-watcher@^0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-0.0.6.tgz#b95b4a8df74b39c83298b0c05c978b4d9a3b710b"
+glob-stream@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/glob-stream/-/glob-stream-6.1.0.tgz#7045c99413b3eb94888d83ab46d0b404cc7bdde4"
   dependencies:
-    gaze "^0.5.1"
+    extend "^3.0.0"
+    glob "^7.1.1"
+    glob-parent "^3.1.0"
+    is-negated-glob "^1.0.0"
+    ordered-read-streams "^1.0.0"
+    pumpify "^1.3.5"
+    readable-stream "^2.1.5"
+    remove-trailing-separator "^1.0.1"
+    to-absolute-glob "^2.0.0"
+    unique-stream "^2.0.2"
 
-glob2base@^0.0.12:
-  version "0.0.12"
-  resolved "https://registry.yarnpkg.com/glob2base/-/glob2base-0.0.12.tgz#9d419b3e28f12e83a362164a277055922c9c0d56"
+glob-watcher@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/glob-watcher/-/glob-watcher-5.0.1.tgz#239aaa621b6bd843b288fdf6b155f50963c7d7ea"
   dependencies:
-    find-index "^0.1.1"
-
-glob@^4.3.1:
-  version "4.5.3"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-4.5.3.tgz#c6cb73d3226c1efef04de3c56d012f03377ee15f"
-  dependencies:
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^2.0.1"
-    once "^1.3.0"
+    async-done "^1.2.0"
+    chokidar "^2.0.0"
+    just-debounce "^1.0.0"
+    object.defaults "^1.1.0"
 
 glob@^5.0.3:
   version "5.0.15"
@@ -1681,14 +1797,6 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@~7.1.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@~3.1.21:
-  version "3.1.21"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-3.1.21.tgz#d29e0a055dea5138f4d07ed40e8982e83c2066cd"
-  dependencies:
-    graceful-fs "~1.2.0"
-    inherits "1"
-    minimatch "~0.2.11"
-
 global-modules@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/global-modules/-/global-modules-1.0.0.tgz#6d770f0eb523ac78164d72b5e71a8877265cc3ea"
@@ -1724,34 +1832,16 @@ globule@^1.0.0:
     lodash "~4.17.10"
     minimatch "~3.0.2"
 
-globule@~0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/globule/-/globule-0.1.0.tgz#d9c8edde1da79d125a151b79533b978676346ae5"
-  dependencies:
-    glob "~3.1.21"
-    lodash "~1.0.1"
-    minimatch "~0.2.11"
-
 glogg@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/glogg/-/glogg-1.0.1.tgz#dcf758e44789cc3f3d32c1f3562a3676e6a34810"
   dependencies:
     sparkles "^1.0.0"
 
-graceful-fs@4.X, graceful-fs@^4.0.0, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+graceful-fs@4.X, graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
-graceful-fs@^3.0.0:
-  version "3.0.11"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-3.0.11.tgz#7613c778a1afea62f25c630a086d7f3acbbdd818"
-  dependencies:
-    natives "^1.1.0"
-
-graceful-fs@~1.2.0:
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-1.2.3.tgz#15a4806a57547cb2d2dbf27f42e89a8c3451b364"
-
 gulp-angular-gettext@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/gulp-angular-gettext/-/gulp-angular-gettext-2.2.0.tgz#90b5f38e89b4be491e8bb5cabaf69b0a71ddf95f"
@@ -1773,6 +1863,29 @@ gulp-angular-templatecache@^2.0.0:
     lodash.template "^4.4.0"
     through2 "^2.0.3"
 
+gulp-cli@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/gulp-cli/-/gulp-cli-2.0.1.tgz#7847e220cb3662f2be8a6d572bf14e17be5a994b"
+  dependencies:
+    ansi-colors "^1.0.1"
+    archy "^1.0.0"
+    array-sort "^1.0.0"
+    color-support "^1.1.3"
+    concat-stream "^1.6.0"
+    copy-props "^2.0.1"
+    fancy-log "^1.3.2"
+    gulplog "^1.0.0"
+    interpret "^1.1.0"
+    isobject "^3.0.1"
+    liftoff "^2.5.0"
+    matchdep "^2.0.0"
+    mute-stdout "^1.0.0"
+    pretty-hrtime "^1.0.0"
+    replace-homedir "^1.0.0"
+    semver-greatest-satisfied-range "^1.1.0"
+    v8flags "^3.0.1"
+    yargs "^7.1.0"
+
 gulp-concat@2.6.1, gulp-concat@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/gulp-concat/-/gulp-concat-2.6.1.tgz#633d16c95d88504628ad02665663cee5a4793353"
@@ -1893,7 +2006,7 @@ gulp-uglify@^2.1.2:
     uglify-save-license "^0.4.1"
     vinyl-sourcemaps-apply "^0.2.0"
 
-gulp-util@^3.0, gulp-util@^3.0.0, gulp-util@^3.0.7:
+gulp-util@^3.0, gulp-util@^3.0.7:
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
   dependencies:
@@ -1916,23 +2029,14 @@ gulp-util@^3.0, gulp-util@^3.0.0, gulp-util@^3.0.7:
     through2 "^2.0.0"
     vinyl "^0.5.0"
 
-gulp@^3.9.1:
-  version "3.9.1"
-  resolved "https://registry.yarnpkg.com/gulp/-/gulp-3.9.1.tgz#571ce45928dd40af6514fc4011866016c13845b4"
+gulp@~4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/gulp/-/gulp-4.0.0.tgz#95766c601dade4a77ed3e7b2b6dc03881b596366"
   dependencies:
-    archy "^1.0.0"
-    chalk "^1.0.0"
-    deprecated "^0.0.1"
-    gulp-util "^3.0.0"
-    interpret "^1.0.0"
-    liftoff "^2.1.0"
-    minimist "^1.1.0"
-    orchestrator "^0.3.0"
-    pretty-hrtime "^1.0.0"
-    semver "^4.1.0"
-    tildify "^1.0.0"
-    v8flags "^2.0.2"
-    vinyl-fs "^0.3.0"
+    glob-watcher "^5.0.0"
+    gulp-cli "^2.0.0"
+    undertaker "^1.0.0"
+    vinyl-fs "^3.0.0"
 
 gulplog@^1.0.0:
   version "1.0.0"
@@ -1997,6 +2101,10 @@ has-gulplog@^0.1.0:
   dependencies:
     sparkles "^1.0.0"
 
+has-symbols@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.0.tgz#ba1a8f1af2a0fc39650f5c850367704122063b44"
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -2148,10 +2256,6 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-1.0.2.tgz#ca4309dadee6b54cc0b8d247e8d7c7a0975bdc9b"
-
 inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
@@ -2160,7 +2264,7 @@ ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
 
-interpret@^1.0.0:
+interpret@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
 
@@ -2263,7 +2367,7 @@ is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
 
-is-extglob@^2.1.0:
+is-extglob@^2.1.0, is-extglob@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
 
@@ -2295,6 +2399,12 @@ is-glob@^3.1.0:
   dependencies:
     is-extglob "^2.1.0"
 
+is-glob@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.0.tgz#9521c76845cc2610a85203ddf080a958c2ffabc0"
+  dependencies:
+    is-extglob "^2.1.1"
+
 is-my-ip-valid@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-my-ip-valid/-/is-my-ip-valid-1.0.0.tgz#7b351b8e8edd4d3995d4d066680e664d94696824"
@@ -2309,6 +2419,10 @@ is-my-json-valid@^2.12.4:
     jsonpointer "^4.0.0"
     xtend "^4.0.0"
 
+is-negated-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-negated-glob/-/is-negated-glob-1.0.0.tgz#6910bca5da8c95e784b5751b976cf5a10fee36d2"
+
 is-number@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-0.1.1.tgz#69a7af116963d47206ec9bd9b48a14216f1e3806"
@@ -2387,7 +2501,7 @@ is-unc-path@^1.0.0:
   dependencies:
     unc-path-regex "^0.1.2"
 
-is-utf8@^0.2.0:
+is-utf8@^0.2.0, is-utf8@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
 
@@ -2395,6 +2509,10 @@ is-valid-glob@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-0.3.0.tgz#d4b55c69f51886f9b65c70d6c2622d37e29f48fe"
 
+is-valid-glob@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-valid-glob/-/is-valid-glob-1.0.0.tgz#29bf3eff701be2d4d315dbacc39bc39fe8f601aa"
+
 is-windows@^1.0.1, is-windows@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-windows/-/is-windows-1.0.2.tgz#d1850eb9791ecd18e6182ce12a30f396634bb19d"
@@ -2510,6 +2628,10 @@ jsprim@^1.2.2:
     json-schema "0.2.3"
     verror "1.10.0"
 
+just-debounce@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/just-debounce/-/just-debounce-1.0.0.tgz#87fccfaeffc0b68cd19d55f6722943f929ea35ea"
+
 karma-chrome-launcher@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/karma-chrome-launcher/-/karma-chrome-launcher-2.2.0.tgz#cf1b9d07136cc18fe239327d24654c3dbc368acf"
@@ -2580,7 +2702,7 @@ kind-of@^4.0.0:
   dependencies:
     is-buffer "^1.1.5"
 
-kind-of@^5.0.0:
+kind-of@^5.0.0, kind-of@^5.0.2:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-5.1.0.tgz#729c91e2d857b7a419a1f9aa65685c4c33f5845d"
 
@@ -2594,6 +2716,13 @@ klaw@^1.0.0:
   optionalDependencies:
     graceful-fs "^4.1.9"
 
+last-run@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/last-run/-/last-run-1.1.1.tgz#45b96942c17b1c79c772198259ba943bebf8ca5b"
+  dependencies:
+    default-resolution "^2.0.0"
+    es6-weak-map "^2.0.1"
+
 lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
@@ -2610,7 +2739,13 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
-liftoff@^2.1.0:
+lead@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lead/-/lead-1.0.0.tgz#6f14f99a37be3a9dd784f5495690e5903466ee42"
+  dependencies:
+    flush-write-stream "^1.0.2"
+
+liftoff@^2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/liftoff/-/liftoff-2.5.0.tgz#2009291bb31cea861bbf10a7c15a28caf75c31ec"
   dependencies:
@@ -2781,10 +2916,6 @@ lodash@^4.0.0, lodash@^4.0.1, lodash@^4.12.0, lodash@^4.13.1, lodash@^4.5.0, lod
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
 
-lodash@~1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-1.0.2.tgz#8f57560c83b59fc270bd3d561b690043430e2551"
-
 log4js@^0.6.31:
   version "0.6.38"
   resolved "https://registry.yarnpkg.com/log4js/-/log4js-0.6.38.tgz#2c494116695d6fb25480943d3fc872e662a522fd"
@@ -2803,10 +2934,6 @@ loud-rejection@^1.0.0:
     currently-unhandled "^0.4.1"
     signal-exit "^3.0.0"
 
-lru-cache@2:
-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.7.3.tgz#6d4524e8b955f95d4f5b58851ce21dd72fb4e952"
-
 lru-cache@4.1.x, lru-cache@^4.0.1:
   version "4.1.3"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.3.tgz#a1175cf3496dfc8436c156c334b4955992bce69c"
@@ -2866,6 +2993,15 @@ map-visit@^1.0.0:
   dependencies:
     object-visit "^1.0.0"
 
+matchdep@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"
+  dependencies:
+    findup-sync "^2.0.0"
+    micromatch "^3.0.4"
+    resolve "^1.4.0"
+    stack-trace "0.0.10"
+
 math-expression-evaluator@^1.2.14:
   version "1.2.17"
   resolved "https://registry.yarnpkg.com/math-expression-evaluator/-/math-expression-evaluator-1.2.17.tgz#de819fdbcd84dccd8fae59c6aeb79615b9d266ac"
@@ -2930,7 +3066,7 @@ micromatch@^2.1.5, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-micromatch@^3.0.4:
+micromatch@^3.0.4, micromatch@^3.1.4:
   version "3.1.10"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
   dependencies:
@@ -2968,19 +3104,6 @@ mime@^1.3.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimatch@^2.0.1:
-  version "2.0.10"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-2.0.10.tgz#8d087c39c6b38c001b97fca7ce6d0e1e80afbac7"
-  dependencies:
-    brace-expansion "^1.0.0"
-
-minimatch@~0.2.11:
-  version "0.2.14"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.2.14.tgz#c74e780574f63c6f9a090e90efbe6ef53a6a756a"
-  dependencies:
-    lru-cache "2"
-    sigmund "~1.0.0"
-
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
@@ -3046,6 +3169,10 @@ multipipe@^0.1.2:
   dependencies:
     duplexer2 "0.0.2"
 
+mute-stdout@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/mute-stdout/-/mute-stdout-1.0.0.tgz#5b32ea07eb43c9ded6130434cf926f46b2a7fd4d"
+
 nan@^2.10.0, nan@^2.9.2:
   version "2.10.0"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.10.0.tgz#96d0cd610ebd58d4b4de9cc0c6828cda99c7548f"
@@ -3067,10 +3194,6 @@ nanomatch@^1.2.9:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
-natives@^1.1.0:
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.4.tgz#2f0f224fc9a7dd53407c7667c84cf8dbe773de58"
-
 needle@^2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/needle/-/needle-2.2.1.tgz#b5e325bd3aae8c2678902fa296f729455d1d3a7d"
@@ -3184,6 +3307,12 @@ normalize-url@^1.4.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
+now-and-later@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/now-and-later/-/now-and-later-2.0.0.tgz#bc61cbb456d79cb32207ce47ca05136ff2e7d6ee"
+  dependencies:
+    once "^1.3.2"
+
 npm-bundled@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.3.tgz#7e71703d973af3370a9591bafe3a63aca0be2308"
@@ -3250,13 +3379,26 @@ object-copy@^0.1.0:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-keys@^1.0.11, object-keys@^1.0.8:
+  version "1.0.11"
+  resolved "https://registry.yarnpkg.com/object-keys/-/object-keys-1.0.11.tgz#c54601778ad560f1142ce0e01bcca8b56d13426d"
+
 object-visit@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/object-visit/-/object-visit-1.0.1.tgz#f79c4493af0c5377b59fe39d395e41042dd045bb"
   dependencies:
     isobject "^3.0.0"
 
-object.defaults@^1.1.0:
+object.assign@^4.0.4:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.0.tgz#968bf1100d7956bb3ca086f006f846b3bc4008da"
+  dependencies:
+    define-properties "^1.1.2"
+    function-bind "^1.1.1"
+    has-symbols "^1.0.0"
+    object-keys "^1.0.11"
+
+object.defaults@^1.0.0, object.defaults@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/object.defaults/-/object.defaults-1.1.0.tgz#3a7f868334b407dea06da16d88d5cd29e435fecf"
   dependencies:
@@ -3285,24 +3427,25 @@ object.pick@^1.2.0, object.pick@^1.3.0:
   dependencies:
     isobject "^3.0.1"
 
+object.reduce@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/object.reduce/-/object.reduce-1.0.1.tgz#6fe348f2ac7fa0f95ca621226599096825bb03ad"
+  dependencies:
+    for-own "^1.0.0"
+    make-iterator "^1.0.0"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
   dependencies:
     ee-first "1.1.1"
 
-once@^1.3.0, once@^1.4.0:
+once@^1.3.0, once@^1.3.1, once@^1.3.2, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
     wrappy "1"
 
-once@~1.3.0:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/once/-/once-1.3.3.tgz#b2e261557ce4c314ec8304f3fa82663e4297ca20"
-  dependencies:
-    wrappy "1"
-
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
@@ -3314,18 +3457,6 @@ options@>=0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/options/-/options-0.0.6.tgz#ec22d312806bb53e731773e7cdaefcf1c643128f"
 
-orchestrator@^0.3.0:
-  version "0.3.8"
-  resolved "https://registry.yarnpkg.com/orchestrator/-/orchestrator-0.3.8.tgz#14e7e9e2764f7315fbac184e506c7aa6df94ad7e"
-  dependencies:
-    end-of-stream "~0.1.5"
-    sequencify "~0.0.7"
-    stream-consume "~0.1.0"
-
-ordered-read-streams@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz#fd565a9af8eb4473ba69b6ed8a34352cb552f126"
-
 ordered-read-streams@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.3.0.tgz#7137e69b3298bb342247a1bbee3881c80e2fd78b"
@@ -3333,6 +3464,12 @@ ordered-read-streams@^0.3.0:
     is-stream "^1.0.1"
     readable-stream "^2.0.1"
 
+ordered-read-streams@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-1.0.1.tgz#77c0cb37c41525d64166d990ffad7ec6a0e1363e"
+  dependencies:
+    readable-stream "^2.0.1"
+
 os-homedir@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
@@ -3742,6 +3879,10 @@ pretty-hrtime@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
 
+process-nextick-args@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+
 process-nextick-args@^2.0.0, process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
@@ -3754,6 +3895,21 @@ pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
+pump@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.5:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.5.1.tgz#36513be246ab27570b1a374a5ce278bfd74370ce"
+  dependencies:
+    duplexify "^3.6.0"
+    inherits "^2.0.3"
+    pump "^2.0.0"
+
 punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
@@ -3863,7 +4019,7 @@ readable-stream@1.1:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.5:
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.3, readable-stream@^2.3.5:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -3933,7 +4089,22 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
-remove-trailing-separator@^1.0.1:
+remove-bom-buffer@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz#c2bf1e377520d324f623892e33c10cac2c252b53"
+  dependencies:
+    is-buffer "^1.1.5"
+    is-utf8 "^0.2.1"
+
+remove-bom-stream@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/remove-bom-stream/-/remove-bom-stream-1.2.0.tgz#05f1a593f16e42e1fb90ebf59de8e569525f9523"
+  dependencies:
+    remove-bom-buffer "^3.0.0"
+    safe-buffer "^5.1.0"
+    through2 "^2.0.3"
+
+remove-trailing-separator@^1.0.1, remove-trailing-separator@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
 
@@ -3963,6 +4134,14 @@ replace-ext@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
 
+replace-homedir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/replace-homedir/-/replace-homedir-1.0.0.tgz#e87f6d513b928dde808260c12be7fec6ff6e798c"
+  dependencies:
+    homedir-polyfill "^1.0.1"
+    is-absolute "^1.0.0"
+    remove-trailing-separator "^1.1.0"
+
 request-progress@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/request-progress/-/request-progress-2.0.1.tgz#5d36bb57961c673aa5b788dbc8141fdf23b44e08"
@@ -4065,11 +4244,17 @@ resolve-dir@^1.0.0, resolve-dir@^1.0.1:
     expand-tilde "^2.0.0"
     global-modules "^1.0.0"
 
+resolve-options@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/resolve-options/-/resolve-options-1.1.0.tgz#32bb9e39c06d67338dc9378c0d6d6074566ad131"
+  dependencies:
+    value-or-function "^3.0.0"
+
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
 
-resolve@^1.1.6, resolve@^1.1.7:
+resolve@^1.1.6, resolve@^1.1.7, resolve@^1.4.0:
   version "1.7.1"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.7.1.tgz#aadd656374fd298aee895bc026b8297418677fd3"
   dependencies:
@@ -4091,7 +4276,7 @@ rimraf@2, rimraf@^2.6.0, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
 
@@ -4125,6 +4310,12 @@ scss-tokenizer@^0.2.3:
     js-base64 "^2.1.8"
     source-map "^0.4.2"
 
+semver-greatest-satisfied-range@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/semver-greatest-satisfied-range/-/semver-greatest-satisfied-range-1.1.0.tgz#13e8c2658ab9691cb0cd71093240280d36f77a5b"
+  dependencies:
+    sver-compat "^1.5.0"
+
 "semver@2 || 3 || 4 || 5", semver@^5.3.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
@@ -4133,14 +4324,10 @@ semver@5.3.0, semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
-semver@^4.1.0, semver@~4.3.3:
+semver@~4.3.3:
   version "4.3.6"
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
 
-sequencify@~0.0.7:
-  version "0.0.7"
-  resolved "https://registry.yarnpkg.com/sequencify/-/sequencify-0.0.7.tgz#90cff19d02e07027fd767f5ead3e7b95d1e7380c"
-
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
@@ -4175,10 +4362,6 @@ shelljs@0.3.x:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.3.0.tgz#3596e6307a781544f591f37da618360f31db57b1"
 
-sigmund@~1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
-
 signal-exit@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -4361,6 +4544,10 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+stack-trace@0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/stack-trace/-/stack-trace-0.0.10.tgz#547c70b347e8d32b4e108ea1a2a159e5fdde19c0"
+
 static-extend@^0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
@@ -4388,9 +4575,9 @@ stream-combiner@~0.0.4:
   dependencies:
     duplexer "~0.1.1"
 
-stream-consume@~0.1.0:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/stream-consume/-/stream-consume-0.1.1.tgz#d3bdb598c2bd0ae82b8cac7ac50b1107a7996c48"
+stream-exhaust@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/stream-exhaust/-/stream-exhaust-1.0.2.tgz#acdac8da59ef2bc1e17a2c0ccf6c320d120e555d"
 
 stream-shift@^1.0.0:
   version "1.0.0"
@@ -4452,13 +4639,6 @@ strip-bom-string@1.X:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom-string/-/strip-bom-string-1.0.0.tgz#e5211e9224369fbb81d633a2f00044dc8cedad92"
 
-strip-bom@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-1.0.0.tgz#85b8862f3844b5a6d5ec8467a93598173a36f794"
-  dependencies:
-    first-chunk-stream "^1.0.0"
-    is-utf8 "^0.2.0"
-
 strip-bom@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
@@ -4489,6 +4669,13 @@ supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
+sver-compat@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/sver-compat/-/sver-compat-1.5.0.tgz#3cf87dfeb4d07b4a3f14827bc186b3fd0c645cd8"
+  dependencies:
+    es6-iterator "^2.0.1"
+    es6-symbol "^3.1.1"
+
 svgo@^0.7.0:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/svgo/-/svgo-0.7.2.tgz#9f5772413952135c6fefbf40afe6a4faa88b4bb5"
@@ -4548,7 +4735,7 @@ through2@2.X, through2@^2.0.0, through2@^2.0.1, through2@^2.0.3, through2@~2.0.0
     readable-stream "^2.1.5"
     xtend "~4.0.1"
 
-through2@^0.6.0, through2@^0.6.1:
+through2@^0.6.0:
   version "0.6.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-0.6.5.tgz#41ab9c67b29d57209071410e1d7a7a968cd3ad48"
   dependencies:
@@ -4559,12 +4746,6 @@ through@2, through@~2.3, through@~2.3.1:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
-tildify@^1.0.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/tildify/-/tildify-1.2.0.tgz#dcec03f55dca9b7aa3e5b04f21817eb56e63588a"
-  dependencies:
-    os-homedir "^1.0.0"
-
 time-stamp@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
@@ -4594,6 +4775,13 @@ to-absolute-glob@^0.1.1:
   dependencies:
     extend-shallow "^2.0.1"
 
+to-absolute-glob@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz#1865f43d9e74b0822db9f145b78cff7d0f7c849b"
+  dependencies:
+    is-absolute "^1.0.0"
+    is-negated-glob "^1.0.0"
+
 to-array@0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/to-array/-/to-array-0.1.4.tgz#17e6c11f73dd4f3d74cda7a4ff3238e9ad9bf890"
@@ -4620,6 +4808,12 @@ to-regex@^3.0.1, to-regex@^3.0.2:
     regex-not "^1.0.2"
     safe-regex "^1.1.0"
 
+to-through@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/to-through/-/to-through-2.0.0.tgz#fc92adaba072647bc0b67d6b03664aa195093af6"
+  dependencies:
+    through2 "^2.0.3"
+
 tough-cookie@~2.3.0, tough-cookie@~2.3.3:
   version "2.3.4"
   resolved "https://registry.yarnpkg.com/tough-cookie/-/tough-cookie-2.3.4.tgz#ec60cee38ac675063ffc97a5c18970578ee83655"
@@ -4697,6 +4891,24 @@ unc-path-regex@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"
 
+undertaker-registry@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/undertaker-registry/-/undertaker-registry-1.0.1.tgz#5e4bda308e4a8a2ae584f9b9a4359a499825cc50"
+
+undertaker@^1.0.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/undertaker/-/undertaker-1.2.0.tgz#339da4646252d082dc378e708067299750e11b49"
+  dependencies:
+    arr-flatten "^1.0.1"
+    arr-map "^2.0.0"
+    bach "^1.0.0"
+    collection-map "^1.0.0"
+    es6-weak-map "^2.0.1"
+    last-run "^1.1.0"
+    object.defaults "^1.0.0"
+    object.reduce "^1.0.0"
+    undertaker-registry "^1.0.0"
+
 union-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
@@ -4714,10 +4926,6 @@ uniqs@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/uniqs/-/uniqs-2.0.0.tgz#ffede4b36b25290696e6e165d4a59edb998e6b02"
 
-unique-stream@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-1.0.0.tgz#d59a4a75427447d9aa6c91e70263f8d26a4b104b"
-
 unique-stream@^2.0.2:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/unique-stream/-/unique-stream-2.2.1.tgz#5aa003cfbe94c5ff866c4e7d668bb1c4dbadb369"
@@ -4736,6 +4944,10 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
+upath@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.0.tgz#35256597e46a581db4793d0ce47fa9aebfc9fabd"
+
 urix@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
@@ -4746,10 +4958,6 @@ use@^3.1.0:
   dependencies:
     kind-of "^6.0.2"
 
-user-home@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
-
 useragent@^2.1.12:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/useragent/-/useragent-2.3.0.tgz#217f943ad540cb2128658ab23fc960f6a88c9972"
@@ -4769,11 +4977,11 @@ uuid@^3.0.0, uuid@^3.1.0:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
 
-v8flags@^2.0.2:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.1.1.tgz#aab1a1fa30d45f88dd321148875ac02c0b55e5b4"
+v8flags@^3.0.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-3.1.1.tgz#42259a1461c08397e37fe1d4f1cfb59cad85a053"
   dependencies:
-    user-home "^1.1.1"
+    homedir-polyfill "^1.0.1"
 
 vali-date@^1.0.0:
   version "1.0.0"
@@ -4786,6 +4994,10 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
+value-or-function@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/value-or-function/-/value-or-function-3.0.0.tgz#1c243a50b595c1be54a754bfece8563b9ff8d813"
+
 vendors@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/vendors/-/vendors-1.0.2.tgz#7fcb5eef9f5623b156bcea89ec37d63676f21801"
@@ -4798,19 +5010,6 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-vinyl-fs@^0.3.0:
-  version "0.3.14"
-  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-0.3.14.tgz#9a6851ce1cac1c1cea5fe86c0931d620c2cfa9e6"
-  dependencies:
-    defaults "^1.0.0"
-    glob-stream "^3.1.5"
-    glob-watcher "^0.0.6"
-    graceful-fs "^3.0.0"
-    mkdirp "^0.5.0"
-    strip-bom "^1.0.0"
-    through2 "^0.6.1"
-    vinyl "^0.4.0"
-
 vinyl-fs@^2.4.3:
   version "2.4.4"
   resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-2.4.4.tgz#be6ff3270cb55dfd7d3063640de81f25d7532239"
@@ -4833,19 +5032,46 @@ vinyl-fs@^2.4.3:
     vali-date "^1.0.0"
     vinyl "^1.0.0"
 
+vinyl-fs@^3.0.0:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/vinyl-fs/-/vinyl-fs-3.0.3.tgz#c85849405f67428feabbbd5c5dbdd64f47d31bc7"
+  dependencies:
+    fs-mkdirp-stream "^1.0.0"
+    glob-stream "^6.1.0"
+    graceful-fs "^4.0.0"
+    is-valid-glob "^1.0.0"
+    lazystream "^1.0.0"
+    lead "^1.0.0"
+    object.assign "^4.0.4"
+    pumpify "^1.3.5"
+    readable-stream "^2.3.3"
+    remove-bom-buffer "^3.0.0"
+    remove-bom-stream "^1.2.0"
+    resolve-options "^1.1.0"
+    through2 "^2.0.0"
+    to-through "^2.0.0"
+    value-or-function "^3.0.0"
+    vinyl "^2.0.0"
+    vinyl-sourcemap "^1.1.0"
+
+vinyl-sourcemap@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/vinyl-sourcemap/-/vinyl-sourcemap-1.1.0.tgz#92a800593a38703a8cdb11d8b300ad4be63b3e16"
+  dependencies:
+    append-buffer "^1.0.2"
+    convert-source-map "^1.5.0"
+    graceful-fs "^4.1.6"
+    normalize-path "^2.1.1"
+    now-and-later "^2.0.0"
+    remove-bom-buffer "^3.0.0"
+    vinyl "^2.0.0"
+
 vinyl-sourcemaps-apply@^0.2.0, vinyl-sourcemaps-apply@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/vinyl-sourcemaps-apply/-/vinyl-sourcemaps-apply-0.2.1.tgz#ab6549d61d172c2b1b87be5c508d239c8ef87705"
   dependencies:
     source-map "^0.5.1"
 
-vinyl@^0.4.0:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.4.6.tgz#2f356c87a550a255461f36bbeb2a5ba8bf784847"
-  dependencies:
-    clone "^0.2.0"
-    clone-stats "^0.0.1"
-
 vinyl@^0.5.0:
   version "0.5.3"
   resolved "https://registry.yarnpkg.com/vinyl/-/vinyl-0.5.3.tgz#b0455b38fc5e0cf30d4325132e461970c2091cde"