Bugs fixed:
- Fixed #656097, Empathy should show an informative text inside the contact list when no contacts are online (Xavier Claessens)
- Fixed #658858, Hide offline contacts by default
- Fixed #662986, Messaging and VoIP Accounts in Applications list (Guillaume Desmottes)
- Fixed #680302, Move model logic out of EmpathyRosterView
- Fixed #680774, Migrate existing accounts into libaccounts (Xavier Claessens)
- Fixed #680775, Be able to edit params of non SSO accounts (Guillaume Desmottes)
- Fixed #680778, Stop using empathy-accounts (Guillaume Desmottes)
- Fixed #681444, Wrong Service for GTalk accounts (Xavier Claessens)
- Fixed #681598, FTBFS: account plugins linking (Guillaume Desmottes)
