Start migrating to Jersey 2
First working test
Migrate UserResource
Migrate ThemeResource
Migrate LocaleResource
Migrate AlbumResource, DirectoryResource, SearchResource
Migrate AppResource, ArtistResource, PlayerResource, TranscoderResource
Migrate PlaylistResource, TrackResource
Merge remote-tracking branch 'origin/master' into jersey2

Conflicts:
	music-parent/pom.xml
	music-web-common/src/test/java/com/sismics/music/rest/BaseJerseyTest.java
Merge pull request #2 from sismics/jersey2

Migration to Jersey 2