Mms: Update Greek translations

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

Change-Id: I7f0b32068970306ead3597da18da96228e370a76
Merge "Mms: Update Greek translations" into cm-10.1
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_packages_apps_Mms into cm-10.1