Bug 871944 - move dom/mms/* to dom/mobilemessage/*. r=gene

--HG--
rename : dom/mms/interfaces/nsIMmsService.idl => dom/mobilemessage/interfaces/nsIMmsService.idl
rename : dom/mms/interfaces/nsIWapPushApplication.idl => dom/mobilemessage/interfaces/nsIWapPushApplication.idl
rename : dom/mms/src/ril/MmsPduHelper.jsm => dom/mobilemessage/src/ril/MmsPduHelper.jsm
rename : dom/mms/src/ril/MmsService.js => dom/mobilemessage/src/ril/MmsService.js
rename : dom/mms/src/ril/MmsService.manifest => dom/mobilemessage/src/ril/MmsService.manifest
rename : dom/mms/src/ril/WapPushManager.js => dom/mobilemessage/src/ril/WapPushManager.js
rename : dom/mms/src/ril/WspPduHelper.jsm => dom/mobilemessage/src/ril/WspPduHelper.jsm
rename : dom/mms/src/ril/mms_consts.js => dom/mobilemessage/src/ril/mms_consts.js
rename : dom/mms/src/ril/wap_consts.js => dom/mobilemessage/src/ril/wap_consts.js
rename : dom/mms/tests/header_helpers.js => dom/mobilemessage/tests/header_helpers.js
rename : dom/mms/tests/test_mms_pdu_helper.js => dom/mobilemessage/tests/test_mms_pdu_helper.js
rename : dom/mms/tests/test_mms_service.js => dom/mobilemessage/tests/test_mms_service.js
rename : dom/mms/tests/test_wsp_pdu_helper.js => dom/mobilemessage/tests/test_wsp_pdu_helper.js