Bug 965527 - Further AsyncShutdown error reporting for OS.File. r=yoric
Bug 967507 - [OS.File] Add |path| for error-reporting. r=Yoric
Bug 974229 - Remove unused star-button. r=Dao
Bug 974990 - hawk request to access lang prefs as infrequently as possible. r=rnewman

--HG--
rename : services/common/hawk.js => services/common/hawkclient.js
rename : services/common/tests/unit/test_hawk.js => services/common/tests/unit/test_hawkclient.js