Fix remaining bionic warnings

Tested on arm and x86 (kitkat),
aosp/master has some other ones

Also update the readme and android.h

Change-Id: I170b16f2e091b99f971fb518bf0106c0e92adfdd
Merge remote-tracking branch 'cm/cm-11.0' into HEAD

Conflicts:
	Android.mk

Change-Id: I9aaf6a979a212f763a51017c0e41a9eb0a04dbb0