Gruntfile: Updated to build without source maps, since they didn't work
UserSettingsController: Removed mbAvailable dependency, since it no longer exists
Moved notification/messages to new module 'Microbrewit/core/Notifications
Moved network providers into new provider folder
Extracted UserService into single providers, moved to new module 'Microbrewit/core/User
Moved Gravatar directive to Microbrewit/core/User
Moved Utils providers into new providers folder
MainController: Don't auto create user object, auto try login with torstein account
mbSet: Store tokens
Login: Mocked more advanced login logics
Utils: Angular module now defined in Utils
Application: Use new modules
Temporarily readded UserService due to changes in HEAD