Backed out changeset 48d2538788ec (bug 848489) for Marionette failures on a CLOSED TREE.
Backed out changeset f5a256c02fc6 (bug 851828) for Mochitest failures on a CLOSED TREE.
Backed out changesets 4b97cab51e59:5e573640e390 (bug 826093) for Android reftest-2 failures on a CLOSED TREE.