Backed out changesets 81f96f02263f and fd84374f63f1 (bug 903291) for causing frequent B2G crashtest timeouts.
Bug 1045153 - Disable test_bug866575.html on B2G debug while the near perma-fail is investigated. a=me
Backed out 5 changesets (bug 1022229) for non-unified bustage.

Backed out changeset d79b991a8d96 (bug 1022229)
Backed out changeset 34f9a0e7dbde (bug 1022229)
Backed out changeset 37fbaf69c6e0 (bug 1022229)
Backed out changeset d6111b0603f5 (bug 1022229)
Backed out changeset 154922edf5fe (bug 1022229)
Merge m-c to inbound. a=merge CLOSED TREE.