Backed out changeset 65bf6165dd79 (bug 899102)
Backed out changeset 6d129dc11fa1 (bug 916433)
Backed out changeset 36e4e8f37a17 (bug 916430)
Backed out changeset cf4d664a0756 (bug 916430)
Backed out changeset 670f8219bddb (bug 913110) for relanding before checking it didn't regress bug 916757