Bug 969436 - Changed the SafepointReader constructor to properly read safepoints, depending on the size of PackedRegisterMask; r=Nicolas B. Pierron
Bug 981249 - Test app launch r= myk

--HG--
rename : toolkit/webapps/tests/test_hosted.xul => toolkit/webapps/tests/test_hosted_launch.xul
rename : toolkit/webapps/tests/test_packaged.xul => toolkit/webapps/tests/test_packaged_launch.xul