[1/3] Manifest: Built-in superuser

Change-Id: I8b7de6f0044cc28c4332e68f6a7bbe5cd678837c
Signed-off-by: Parthipan Ramesh <parthipan.ramesh@gmail.com>
readme.md: idiot-proof build instructions && clean up
readme.md: fix small derp
Merge remote-tracking branch 'PA/kitkat' into kitkat-remix

Conflicts:
	default.xml
Merge branch 'kitkat-remix' of github.com:AOSPAL/manifest into kitkat-remix
Merge remote-tracking branch 'PSD/kitkat-remix' into remix-staging