Bug 913834 - Bump b2g_try_emulator-jb_dep disk space requirements. r=Callek
Bug 913834 - Bump b2g_try_emulator-jb_dep disk space requirements. r=philor
Bug 908356 - Add support for installing packages from in-tree requirements files, r=aki
Bug 910449 - Move gaia methods into separate mixin, r=aki
Bug 910449 - Remove now-obsolete 'make gaia' step from gaia_unit config file, a=test-only
Bug 913281 - Mozharness should explicitly pass --use-device-libs to runtestsb2g.py, r=jgriffin
Bug 908356 - Add back missing line