change eg909 naming
use US locale
use caf-cm9 init
add overlay
Android.mk: add custom init.rc and init.eg909.rc
init.rc:

	Set init and its forked children's oom_adj. change /cache permissions and add path, modify /data/dalvik-cache
	and /cache/dalvik-cache modify property:sys.usb.config=adb, remove flash_recovery service
BoardConfig.mk:

	use own init.rc
change init namings, move init.rc back to system/core