account-chooser: make sure that TP_ACCOUNT_FEATURE_CONNECTION and TP_CONNECTION_FEATURE_CAPABILITIES are prepared
account-chooser: make sure that TP_ACCOUNT_FEATURE_CONNECTION and TP_CONNECTION_FEATURE_CAPABILITIES are prepared

Most filter will need those.

https://bugzilla.gnome.org/show_bug.cgi?id=662609

GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets