make recovery option credits:peter alfonso
ro.secure and dexpreopt set to false
Make cpu-specific optimizations simpler, smarter, and more compatible with CM

infer what we use TARGET_ARCH_VARIANT_CPU for form TARGET_CPU_VARIANT
if TARGET_ARCH_VARIANT_CPU is undefined (as is the case with a virgin CM
device tree.
(based on 720710b - build: Cleanup CPU-specific optimizations (4 weeks ago) <Steve Kondik>)

assume some things are always true, and remove vestigial variables

Change-Id: I7e5c5809b1dc3f19e99cb153461876077b237345

Conflicts:
	core/combo/arch/arm/armv7-a-neon.mk
	core/combo/arch/arm/armv7-a.mk

Conflicts:
	core/combo/arch/arm/armv7-a-neon.mk
core: main: remove all the spam about including make files

Change-Id: Ifd2ef0e239d16b169c572472416c2c31df62a367
Packages cleanup
Try to remove a Prebuilt apk found in PRODUCT_COPY_FILES error
signing: Support userdebug-generated display.build.id lines

Change-Id: I3ae608c12a15f6ede2150567662befa7fce763ca
Add Custom SePolicy
Clean up
Some fixes