* properly ignore multiple virtual environments and vscode folders
* use scss instead of css in app.component
* remove yarn from client
* remove deprication error
* auditing packages
* updating travis to work with the new client
- AuthenticationService->AuthService
- removed underscore-directories
- put site related stuff into site/
- same for projector
- auth service went into a core/ directory, used by site and projector
- the alert is now not global anymore. Every view can have its own alert
- make the auth service query users/whoami for the current user
- made a new OpenSlides service for managing the startup
... A lot todo ...
- basic client structure
- authentication towards OS-server
- access REST-Api
- webpack proxy for convenient usage
- fontawesome
- twitter bootstrap 3.3.7
- login example (recreate login page)
- routing
- template for agenda and motions
- dynamic content loading
- custom alert component
- add auth-guard
- checks if a user is logged in and makes correct forwarding
- authentification towards OS works
- saving the log in information is WIP
