Backed out changeset 5acab2576a56 (bug 885277) for intermittent mochitest-other failures.
Backed out 12 changesets (bug 899367) for Windows and OSX mochitest failures on a CLOSED TREE.

Backed out changeset 46cf4c3eb447 (bug 899367)
Backed out changeset d8a876219fc7 (bug 899367)
Backed out changeset d930333f95a7 (bug 899367)
Backed out changeset efae8cc0fff8 (bug 899367)
Backed out changeset 1dd262d146a6 (bug 899367)
Backed out changeset 4c396b8a51d0 (bug 899367)
Backed out changeset c8c30176639a (bug 899367)
Backed out changeset aaa8fbcf9aaf (bug 899367)
Backed out changeset d1a782044a4b (bug 899367)
Backed out changeset b2672ab55046 (bug 899367)
Backed out changeset fc4deb0b06fa (bug 899367)
Backed out changeset b9f1018a609c (bug 899367)