[7/7] omni: exFAT Support

FUSE based exFAT Implementation

android: https://gerrit.omnirom.org/#/c/4448/
e2fsprogs: https://gerrit.omnirom.org/#/c/3191/
fuse: https://gerrit.omnirom.org/#/c/4443/
sepolicy: https://gerrit.omnirom.org/#/c/4444/
vold: https://gerrit.omnirom.org/#/c/4441/
vold: https://gerrit.omnirom.org/#/c/4442/

Change-Id: I45e6a30a5594b3cecba6424e4a932905972f9223
Utils: Add GitHub forking tool

Change-Id: Ida89d9e331ccdcbf627195f33c17129d383c87e2
utils: Update AOSP forking script

Change-Id: Ifbb68a5940c079b8b0898e6a7d66df92d9077c28
Merge "Utils: Add GitHub forking tool" into android-4.4
Merge "utils: Update AOSP forking script" into android-4.4
merge changes from Omni 4.4 into local branch