Tuna: overwork liblights

This commit does several things:

- fix sometimes wonky notification LED
- enable battery LED
- battery LED can be turned off and on, as well color change
  for low, normal, full loaded state
- abillity to enable blink on low battery

cheers

Change-Id: I3e9ea25aef48bba80a57517630db09679371b460
Tuna: add fcharge overlay

Change-Id: Ifa3959f9fb31a1bab3035dde08b7af0bd030d0a1
Tuna: overwork liblights

This commit does several things:

- fix sometimes wonky notification LED
- enable battery LED
- battery LED can be turned off and on, as well color change
  for low, normal, full loaded state
- abillity to enable blink on low battery

cheers

Change-Id: I3e9ea25aef48bba80a57517630db09679371b460
Tuna: add fcharge overlay

Change-Id: Ifa3959f9fb31a1bab3035dde08b7af0bd030d0a1
Merge remote-tracking branch 'slim/jb4.2' into mirage