Backed out changeset 2a70c56c2469 (bug 897913)
Backed out changeset 95cefee173eb (bug 897913)
Backed out changeset 9e8edeb0539e (bug 897913)
Backed out changeset dd79223a1f3a (bug 902485)
Backed out changeset 810162a6bd0c (bug 901816) for Windows build failures