Bump to 6.7

Change-Id: I6f04ad7fd164cac16193df32c5ac2480628be5b7
Signed-off-by: Josue Rivera <prbassplayer@gmail.com>
Add/fix APNs...

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

PS2: rebase

Change-Id: I9126b3f579fa61dc8f413d562dd71ce840027957
Added apn settings for Mobitel and Etisalat, Sri Lanka (MCC=413)

Change-Id: If843bdfca224922c85e6e0e840988a5f85be868b
Cricket merged with AIO, add APN

MCC=310 MNC=150

Change-Id: Ie14bacaf10817db58c89c3e521ad014bd66818ec
Fix Mobistar APN settings

Update Mobistar and Mobistar MMS to remove user/pass and add PAP auth

Change-Id: I02a2aa99abb93f325f60032bbaa2e59da397c3c2
Update HK carrier APNS

Change-Id: Ifa97c577d2c6e5f03a149ad9499d6b47ab6d3490
Merge branch 'kk4.4' of https://github.com/SlimRoms/vendor_slim into kk4.4
Revert "Remove NovaLauncher and add Launcher3"

This reverts commit e70968995228022da835c1c80e07c6126dff3542.
[3/3] Remove Superuser and use SuperSU instead

Change-Id: Ibd1cb347125b5974b0bb26ec68b6e7410a07fcfa