Additional overrides

Change-Id: I768e26d2fad021a9eb30decf15e61ba996b673e5
Just a few more for flexibility

Change-Id: I264191a7ff2235d0effe038c39a976a25985f529
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2

Conflicts:
	envsetup.sh
Ignore LOCAL_AAPT_INCLUDE_ALL_RESOURCES on mdpi & ldpi devices

Ensures that certain packages don't include unneeded hdpi or higher
assets.

Change-Id: I8e62486f21382e21ec8a587ce96b2383761aad3a
releasetools: add squisher hook

Change-Id: Id90cea9f1db10a6979419d05e1b6905647da2534