Bug 751618 - Add js/GCAPI.h (r=terrence)
Bug 751618 - Fix assertions in ResetIncrementalGC (r=jonco)
Bug 751618 - Zone renaming part 1 (r=jonco)
Bug 751618 - Zone renaming part 2 (r=jonco)
Bug 751618 - Zone renaming part 3 (r=jonco)
Bug 751618 - Zone renaming part 4 (r=terrence)
Bug 751618 - Zone renaming part 5 (r=jonco)
Bug 751618 - Zone renaming part 6 (r=terrence)
Bug 751618 - Zone renaming part 7 (r=jonco)
Bug 751618 - Zone renaming part 8 (r=terrence)
Bug 751618 - Zone renaming part 9 (r=terrence)
Bug 751618 - Zone renaming comment fix (r=jonco)