build: local_manifest.xml deprecated, use local_manifests

Patch Set 2:- Use roomservice.xml instead of cm.xml.

Change-Id: I3d8a6ef3907b92808662cbba912cea5ed38d0bde
build: add strip on kernel modules

kernel modules are huge for prima wlan and we need to strip them
unstriped size 40mb
striped size 2mb

Change-Id: Iefd572732cad0a6f608439618673068a3586fcd5
Merge "build: local_manifest.xml deprecated, use local_manifests" into cm-10.1
Merge branch 'cm-10.1' of github.com:CyanogenMod/android_build into cm-10.1