Backed out 11 changesets (bug 952977) for reftest-no-accel failures

Backed out changeset ea2367c19da3 (bug 952977)
Backed out changeset c401c8748eb3 (bug 952977)
Backed out changeset a93e9ff1043b (bug 952977)
Backed out changeset 765b7f67163e (bug 952977)
Backed out changeset 3d8cf4f5777f (bug 952977)
Backed out changeset 8993710a3ab3 (bug 952977)
Backed out changeset 1298c39b745a (bug 952977)
Backed out changeset be0b899fbe5e (bug 952977)
Backed out changeset f69bea1f1feb (bug 952977)
Backed out changeset 1a745777f07e (bug 952977)
Backed out changeset 5ad1d18dfe17 (bug 952977)