Added responsive view for LevelEditor
#889 - moved CocoCollection.coffee to app/collections and updated references
Replace generic text Sign Up to Create a New Content
Fix for runtime errors
Changed responsive view for LevelEditor
Hotfix for CLA submissions permissions
Fixed #905.
Merge branch 'master' of https://github.com/codecombat/codecombat
Upgraded table sorter.
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed #908, while keeping things like opening revert or contact modals in the level editor from breaking.
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed some treema styling.
Fixed more buttons in treema.
Fixed #911
Removed a piece of logging.
Fixed #913, I think. (This was just built into marked.)
Merge branch 'master' of https://github.com/tmrdja/codecombat into tmrdja-master

Conflicts:
	app/views/editor/level/edit.coffee
Merge branch 'master' of https://github.com/codecombat/codecombat
Merge branch 'FixGenericText' of https://github.com/dpen2000/codecombat into dpen2000-FixGenericText