Added Facebook friends and invite interfaces on the server
Fixed user signup
Merge pull request #93 from maxirosson/dev

Added Facebook friends and invite interfaces on the server
Facebook login refactor
Added facebook friends grid fragment
Create friend request from facebook friends
Merge branch 'facebook' of github.com:maxirosson/media-fever into facebook

Conflicts:
	media-fever-android/res/layout/social_settings_fragment.xml
	media-fever-android/src/main/java/com/mediafever/android/ui/settings/SocialSettingsHelperFragment.java
	media-fever-android/src/main/java/com/mediafever/usecase/settings/MediaFeverFacebookLoginUseCase.java
Merge