Added Gcc colors

Change-Id: I706163c497050ec85a32c66c864fa783149a077c
 build: Crush all the PNGs

Refactored CM's opticharger to match with XPerience build system.
This optimize all versions NIGHTLY,UNOFFICIAL,EXPERIMENTAL,AND RELEASE!
And put a warning if pngquant is not installed

Change-Id: I59ff480fb91fec5d574170e7a592b5265ea39a9e
Signed-off-by: Carlos Jesús <xxx.reptar.rawrr.xxx@gmail.com>
deleted bad patch xD

Change-Id: Ib1b803f6e88b7971e54672fb8dcf514ec7e20921