Backed out changeset 06800eda477b (bug 1008578) for possibly breaking OSX 10.8 reftests on a CLOSED TREE
Backed out 4 changesets (bug 1008301) for possibly breaking OSX 10.8 reftests on a CLOSED TREE

Backed out changeset 6a9b7a423db8 (bug 1008301)
Backed out changeset bd16c8833501 (bug 1008301)
Backed out changeset d1fab05aa5f5 (bug 1008301)
Backed out changeset 16ddb5b9eb6d (bug 1008301)