addded angularjs to gems
fixed loading of shared/icon_published
implemented basic form for broadcast contents
fixed ng-click handler
Merge remote-tracking branch 'origin/master' into sendeplanung

Conflicts:
	app/controllers/application_controller.rb
Merge remote-tracking branch 'origin/create-broadcast' into sendeplanung
Merge pull request #213 from koelncampus/sendeplanung

Sendeplanung