Fixed the positioning of the thang components view in the thang editor.
Actions without a container or animation to show don't show anything.
Fixed display of actions using container in the thang editor.
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed the thang components edit view in both locations now.
Merge branch 'master' of https://github.com/codecombat/codecombat
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed the level editor save view knowing if the level has changes to save.