Backed out 6 changesets (bug 877115) for mochitest-1 and reftest orange on this CLOSED TREE

Backed out changeset 65ad9d8860d6 (bug 877115)
Backed out changeset bf8095c168fb (bug 877115)
Backed out changeset 290ad5863615 (bug 877115)
Backed out changeset 4488ec28910e (bug 877115)
Backed out changeset 45f8859c6fd6 (bug 877115)
Backed out changeset 111cc426fa9e (bug 877115)