Dark nexus

Change-Id: Ibe2cb13c2df63b7c077ca2cbceba6a72ae2b538e
HALO: Switch instead of checkbox for masterswitch

Change-Id: I5c60e3113f076fe5fe2ed9671fb6d3c88554c485
HALO color

Change-Id: If80b3bbb79f2177b554cdefa8b2f318324e32a64