Backed out changeset fedb7e3d1ae0 (bug 939318)
Backed out changeset c15814d1ec25 (bug 939318)
Backed out changeset a7f522902e40 (bug 939318)
Backed out changeset 20ae968df114 (bug 939318)
Backed out changeset 0a066b7ffa46 (bug 939318)
Backed out changeset 89d06d103c10 (bug 939318) for Valgrind failures; CLOSED TREE