Backed out changeset c9bdbfd50135 (bug 915918)
Backed out changeset d93a9e884f13 (bug 915918)
Backed out changeset 906461e491d9 (bug 915918)
Backed out changeset 29fb758db402 (bug 924480)
Backed out changeset 1c70214e37d0 (bug 924480)
Backed out changeset 36eded3813d6 (bug 924480)