Backed out changeset 2d58f11fc294 (bug 873835)
Backed out changeset 817df00cc0ff (bug 873771)
Backed out changeset d1cd5199bf45 (bug 867142)
Backed out changeset 6ddd5fb7f041 (bug 867118)
Backed out changeset 4a496e6b99af (bug 867097)