Settings: add never sleep screen mode (2/2)

see fb patch

PS2: Rebased.
PS3: fix author.
PS4: Rebased.
PS5: Update commit messages.

Change-Id: I17776173c2f25e3fe1c9bd803340e5ee86cfb272
Settings: Setting bugreport_in_power_menu has moved from android.provider.Settings.Secure to android.provider.Settings.Global [2/2]

Change-Id: I602910cd1a88b6ae1811d2163ae3f9ed2c34c935
Merge remote-tracking branch 'pac/cm-10.2' into HEAD