Phone: Add Blacklist functionality

Original code written for CM7 by Cytown, Cyanogen and nhnt11.

Modified for CM10.1 by Danny Baumann and dvtonder.
Drawables by Björn Lundén

Change-Id: Ib6b8ed4b3410d8553ca061086ba7bcf3b059b1d0
Phone blacklist: block private numbers functionality

Change-Id: I3a8ef9b12e67892a0cb24e2af4b0f26c68965e07

Conflicts:
	res/values/cm_strings.xml
delete this "DAS"

Change-Id: I6e39f9e4532649ddd102076418f5e6d3dac10ea4
fix build

Change-Id: Icf7d9260b8aab7acba520afa167b25fb6700439d
phone: Set default preference values for blacklist option

Change-Id: Ia4ffcb58a8cbb8c17279d7aeaa31bd83a484632d