Bug 635852.  r=smaug
Bug 847885 - disable test_bug600570 on Win8. r=khuey
Bug 847881 - adjust test_sizetocontent_clamp for minimum window size constraints on Win8. r=mounir
Bug 847891 - adjust test_windowminmaxsize for minimum window size constraints on Win8. r=bbondy
Bug 847922 - fix for test_handlerService due to default mailto handler on Win8. r=dolske
Bug 847893 - adjust xul editor test annotations to include Win8. r=ehsan