Add 'addaokp' helper function

* Adds a gerrit remote for the selected project

Change-Id: I58b8f368ffd293519a4da0c2b1a0254d206f7dec
Add 'addcm' helper function

* Adds a CM remote for the selected project

Change-Id: Ie22cff04fd32f04841e114aecf8cda0db9ee7af7
Merge remote-tracking branch 'aokp/kitkat' into sm-4.4