Update manifest for cm-11

Change-Id: Ie49fb11669396bc1594e55824cae8d36ce439596
Replace the sdk repository reference with a hard sha reference

The tag apparently has different meanings/contents in different
google mirrors for this particular repo... FUN!

Change-Id: I5f9335af4da7114d83457ca041026f3be99c32ce
Switch to our own fork of ART

Change-Id: I85ca84303ce53183892911aadae921800a1415d5
Merge branch 'CyanogenMod/cm-11.0'

Conflicts:
	README.mkdn
	default.xml