mecha: initial commit

Change-Id: I08133026ffd7ebb10c53a0fd15dc5a1fb1e38242
mecha: temporarily remove libgsl while not implementing hw acceleration

Change-Id: I7336c916ec6add68d718cf97d59c81e6c89638e9
mecha: add libgsl back to build for hw accel & add newest libaudioalsa

Change-Id: I68eef16f2cad921d13b6aeec9125871a4b4870df
mecha: prepare to copy over to jellybean, keeping commit history
Merge mecha props from branch 'jellybean-4.1.2' into jellybean

Change-Id: I5f335ffb5057aed95d10a3fb05e4590eeb25b815