Updated package.json. Fixed requirements.

package.json

@@ -2,17 +2,17 @@
   "name": "OpenSlides",
   "private": true,
   "devDependencies": {
-    "bower": "~1.3.12",
-    "gulp": "~3.8.10",
+    "bower": "~1.7.2",
+    "gulp": "~3.9.0",
     "gulp-angular-gettext": "~2.1.0",
-    "gulp-concat": "~2.4.3",
-    "gulp-if": "~1.2.5",
-    "gulp-minify-css": "~0.3.11",
-    "gulp-uglify": "~1.0.2",
-    "main-bower-files": "~2.4.1",
-    "yargs": "~1.3.3",
-    "po2json": "~0.3.2",
-    "gulp-jshint": "~1.11.2",
+    "gulp-concat": "~2.6.0",
+    "gulp-if": "~2.0.0",
+    "gulp-minify-css": "~1.2.3",
+    "gulp-uglify": "~1.5.1",
+    "main-bower-files": "~2.11.1",
+    "yargs": "~3.32.0",
+    "po2json": "~0.4.1",
+    "gulp-jshint": "~2.0.0",
     "through2": "~2.0.0",
     "sprintf-js": "~1.0.3"
   }

requirements_production.txt

@@ -9,4 +9,4 @@ reportlab>=3.0,<3.3
 roman>=2.0,<2.1
 setuptools>=2.2,<20.0
 sockjs-tornado>=1.0,<1.1
-Whoosh>=2.7.0,<2.8
+Whoosh>=2.7,<2.8