Use CM power hal unless over ridden

Change-Id: I9d1f393680d15ba2684b7ff68db5054b695c474f
turn on BT 4.0

Change-Id: I90d52338d331c9eb869e74fe7a33d1c4fa911d58
Build curl and bson

Change-Id: If4dd639e8214a1832d12d522c2a90daa094241d9