Bug 899052 - Implement Addon Thread Actor. r=fitzgen, r=shu
Bug 961165 - Remove inline scripts from scratchpad.xul. r=bbenvie
Bug 973538 - Throw an exception on undefined values for OS.Path.join() and OS.Path.winGetDrive(). r=Yoric
Bug 981345 - Fix HelperApp callback regression. r=wesj