[Merge] lp:~phablet-team/telephony-service/change_group_title into lp:telephony-service/staging

[Gustavo Pichorim Boiko]

Review: Approve

Looks good!
-- 
https://code.launchpad.net/~phablet-team/telephony-service/change_group_title/+merge/308441
Your team Ubuntu Phablet Team is subscribed to branch lp:~phablet-team/telephony-service/split-multipart-messages.