Add "All" selection to service_chooser and all_active_buffer to priv
Add "All" selection to service_chooser and all_active_buffer to priv

https://bugzilla.gnome.org/show_bug.cgi?id=592994

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