Bug 943269 - Minor tweak that might fix the test timeouts. r=mwargers
Bug 485149 - Add a reftest with inset box-shadow on fieldset.
Bug 785753 - Adding two crashtests.
Bug 637242, patch 1 of 3: Fix ref-counting bug.  r=dbaron
Bug 637242, patch 2 of 3: Make nsRuleNode::Sweep nonrecursive to avoid stack exhaustion crashes.  r=dbaron
Bug 637242, patch 3 of 3: crashtest.  r=dbaron