Finish conversation-settings-renew
fixxed tests / fixxed cancel generation / added spinner to registration / etc
conversation aus der factory holen von der direktive in den route controller veralgert
fixed display when lastmessage was missing
removed controls, added subject, added security settings (not working)
security settings funktionieren (provisorisch)
Merge remote-tracking branch 'origin/feature-conversation-settings-renew' into feature-conversation-settings-renew

Conflicts:
	app/routes/conversation/comps/drtv-security_settings.js
	app/routes/conversation/conversation.html