Track CM's bootable/recovery
Track CM's bootable/recovery

This is needed for samsung devices (aries and s2 series) that have
recovery built into the boot.img and flashed every time.

PS2: also add external/yaffs2 and external/zlib, required for
exynos devices

PS3: actually add changes from PS2 derp.

Change-Id: Iff02afc55052c35b6476867a6297322a2e3f0130

Hybrid-Power/startsync,RR-msm7x30/platform_manifest,fallouttester/platform_manifest,hagar006/platform_manifest,ND-3500/platform_manifest,pranav01/platform_manifest,see4ri/lolili,knone1/platform_manifest