BoardConfig: change Target OTA Assert, Update TWRP Settings to match TWRP-2.4, remove obsolete BuildFlag 'TW_COMPILE_ON_CM10' used to compile latest TWRP on cm9 add custom recovery 'init.rc'

Change-Id: I0a916067a92ba9074e02eb65c4de8eac2fb86798
Device custom recovery 'init.rc'

Change-Id: I16b2509123549f08e89519e6fc5fb380e341d7bf
update recovery.fstab

Change-Id: I99bbd2f9239bc85bb6f2f5ac9eb193be9c21b227