Pull from Community
Merge branch 'master' of https://github.com/craftercms/studio3
Add language buttons to test translations
Add event registry and event bridges

Add event registry and event bridges to control communication between
the app (angular) and the iframe editor (jquery)
LifecycleController
Method implementations and tests
Merge remote-tracking branch 'upstream/master'
Add unit test for getRegistry method
Update indent size to 4 spaces
Merge remote-tracking branch 'cortiz/master'
Merge remote-tracking branch 'cortiz/master'
Merge remote-tracking branch 'cortiz/master'
Merge branch 'master' of github.com:craftercms/studio3
Security controller
Methods and tests. Test classes refactorgin.
Merge remote-tracking branch 'upstream/master'
Enable CSS transitions between dashboard, preview and full screen views
Test classes
Test classes and method refactored. Added abstract controller test class to initialize spring mvc for all tests.
Add project and user menus to navigation
Merge remote-tracking branch 'david/master'
Forms Controller
Added method implementations and tests
Merge remote-tracking branch 'upstream/master'