Dialer lookup

Squashed commit of the following:

commit 780211109f80d07b11d7a0261544b1a0fed10ea0
Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Fri Mar 7 17:11:02 2014 -0500

    Add people lookup settings keys.

    Change-Id: I2ff9bb7684d04f4f9b640939c7db269873aa3308

commit 0e5ed5ac782c2ee253179a03a2c5842ad3de6831
Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Fri Jan 31 11:43:10 2014 -0500

    Frameworks: Add settings keys for forward and reverse phone number
    lookup

    Change-Id: I1c4c7825b4361b7a52dd419f83afd7b9fcbe1494

commit 3cd778a712234332f327d7e63050c216f21515ac
Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Sat Apr 12 15:26:29 2014 -0400

    Add OpenCnam paid account settings keys

    Change-Id: I895b5f2b2a8a8de568e5aa1cea5d66ba490985fc

Change-Id: I68e4214e813695021b64c29ab1d831a944a6275a