Contacts: Update Greek translations

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Ib0c15fde8a019b2bcff918d707abb8661c4e8b5c
Added format number option to dialer

Change-Id: I27f1bc602d381e94136d713e7a5c6a9885e10b0b