+ Migrated to jersey 2.2
: Requests working
: WebSocket not working / missing classes
: new custom annotations for Auth: @NewUserAuth, @KnownUserAuth, @AdminAuth
: gzip compression currently off: missing support in jersey (manual implementation possible)
: gzip support in grizzly buggy, NullPointerException if Mime-Type empty (redirects etc)
~ EnsureMimeType attemt to fix unsuccessful
Merge branch 'master' into jersey2

Conflicts:
	build.gradle
	src/main/java/de/rallye/api/Client.java
For failing webclient requests added failing url to message
~ fix Filters not registered (needed @Provider)
~ fixed getSubmissions(taskID, groupID) accessing wrong Table
* check...Matches renamed to ensure...Matches throws WebApplicationException FORBIDDEN instead of INTERNAL_SERVER_ERROR
+ reenabled gzip compression for text, application/json in grizzly