Task #1 and #2 for issue #42 done
levels interactive
Merge branch 'master' of github.com:fh-koeln/LevelPad
levels sort
Finished Tasks and Levels
Merge branch 'master' of github.com:fh-koeln/LevelPad

Conflicts:
	public/controllers/levels/LevelListController.js
Merge branch 'master' into frontend-authentication

Conflicts:
	public/application.js
	public/partials/navigation.html