Backed out 5 changesets (bug 1007878) for b2g build bustage r=khuey

Backed out changeset ee3bb06075f7 (bug 1007878)
Backed out changeset ab3dd51be3cd (bug 1007878)
Backed out changeset aa53ba4e64b8 (bug 1007878)
Backed out changeset ff6fd8187ff3 (bug 1007878)
Backed out changeset d631378463ac (bug 1007878)