Backed out 5 changesets (bug 811635) for B2G mochitest-8 orange.

Backed out changeset ad72f0b9e16a (bug 811635)
Backed out changeset 4acc0f028076 (bug 811635)
Backed out changeset b695cdc91edc (bug 811635)
Backed out changeset 6c9ca70f582d (bug 811635)
Backed out changeset 0338e84d99a7 (bug 811635)