Backed out changeset 83d8226768ee (bug 1048107) for build bustage on a CLOSED TREE
Backed out changeset 7b550d45454b (bug 1048104) for build bustage on a CLOSED TREE
Backed out changeset a38bb1a95176 (bug 1048102) for build bustage on a CLOSED TREE
Backed out changeset ef8d10dc3927 (bug 1048097) for build bustage on a CLOSED TREE