Change default to not show offline contacts
Change default to not show offline contacts

According to Aday it does not scale with new roster view, and we now
display a msg when no contacts are displayed.

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