rename files
Bug 1038606 - 3.a/4: rename MobileConnectionGonkService.js to MobileConnectionService.js
Bug 1038606 - 3.b/4: export header files in right namespace
Bug 1038606 - 3.c/4: add MobileConnectionFactory
copy files
Bug 1038606 - 3.d/4: implement MobileConnectionService for FxOS simulator
copy RILContentHelper.js
Bug 1038606 - 4/4: Simulator icc/mobileconnection/cellbroadcast/voicemail backends
Add "Voice Calls" tab to App-Manager.