Softbank carrier overlay that fixes Mms User Agent for both Mms.apk & Hangouts

This forces set UA string to Nexus5 for SoftBank MCC:440 MCN:20.
Tested send/receive & confirmed working by yours truly.

Change-Id: I1831c329eb38507a957111052bb5f56350c49361
build: telephony: Only include VoiceDialer in telephony builds

For WiFi only devices, they don't want this by default.

Change-Id: I4d07ab25d971f8a50beb84e2fd5f6d0bf1aeb8fe
CM11 Themes: Add feature for new themes.

Change-Id: I0da30606534c13a43de33bef08f79fbbb1b348d3
apns-conf: Add TalkTalk APN

Change-Id: Ib0ca582a5f81f5b0bc9b1f682908f6064f24fff5