Add/fix APNs...

...Enitel, Movistar, Poste Mobile, Trilogy Dominicana, Sipgate, Safaricom, Etisalat AE

PS2: rebase

Change-Id: I9126b3f579fa61dc8f413d562dd71ce840027957
Cleanup supersu traces.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Merge remote-tracking branch 'PA/kitkat' into kitkat-legacy