Bug 940755 - Add an exact rooting suppression for AutoAssertNoGC; r=sfink

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extra : rebase_source : 01ce5a48daa53c46138256daf0bf814356b3ca4e
Bug 940718 - Create the first safe JSContext in a GC safe location; r=bholley

--HG--
extra : rebase_source : fa6e43d8e194e21e1a5231050aa7a959d844edd5
Bug 941120 - Stop running make check twice in js/src. r=gps