gabble_vcard_manager_edit_info_apply: work out whether the edit was non-trivial as a side-effect
gabble_vcard_manager_edit_info_apply: work out whether the edit was non-trivial as a side-effect

jku/telepathy-gabble,jku/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,Ziemin/telepathy-gabble,Ziemin/telepathy-gabble,mlundblad/telepathy-gabble,mlundblad/telepathy-gabble,jku/telepathy-gabble