Add SuperSU (replacing Superuser, at least for now)

Change-Id: I58c9abf6bdc5d8066047b531790a15486b70f431

Add su support

Using chainfire's supersu

Change-Id: Ia6294c121694380a432020b959c163af95653af9
Signed-off-by: Evan Anderson <evan1124@gmail.com>

Conflicts:
	configs/system.mk
Update prebuilt su

Change-Id: Ief3f11f3062f252fea696f443706c3624fd0744c
Signed-off-by: Evan Anderson <evan1124@gmail.com>
Update Superuser

Signed-off-by: Andre Saddler <dresadd09691@gmail.com>
Change-Id: Ibc0f0adf73e7b5b13137204105f340c64242d8b3