[Merge] lp:~ken-vandine/content-hub/pasteboard into lp:content-hub

[Daniel d'Andrada]

The client is blocking on startup waiting for PasteFormats value.

Wrote a fix for it here:
http://bazaar.launchpad.net/~dandrader/content-hub/pasteboard/revision/317

There I've also reduced D-Bus round trips by already sending the paste formats on its changed signal.
-- 
https://code.launchpad.net/~ken-vandine/content-hub/pasteboard/+merge/296352
Your team Ubuntu Phablet Team is subscribed to branch lp:content-hub.