Bug 1063304 - 1/3: rename MobileConnectionGonkService.js to MobileConnectionService.js. r=echen

--HG--
rename : dom/mobileconnection/gonk/MobileConnectionGonkService.js => dom/mobileconnection/gonk/MobileConnectionService.js
rename : dom/mobileconnection/gonk/MobileConnectionGonkService.manifest => dom/mobileconnection/gonk/MobileConnectionService.manifest
rename : dom/mobileconnection/interfaces/nsIMobileConnectionGonkService.idl => dom/mobileconnection/gonk/nsIGonkMobileConnectionService.idl
Bug 1063304 - 2/3: export header files in right namespace. r=echen
Bug 1063304 - 3.a/3: add nsIMobileConnection. Interface changes. r=echen, r=htsai
Bug 1063304 - 3.b/3: implementation. r=echen
Bug 1063304 - 3.c/3: accommodate other components. r=echen
Bug 1063304 - 3.d/3: Gonk implementation. r=echen