Bug 853910 part 1.  Stop using prclist for our list of ListenerCollections.  r=khuey
Bug 853910 part 2.  Stop using prclist for individual ListenerCollections.  r=khuey
Bug 855025.  Always do Xrays for DOM interface objects.  r=peterv
Bug 607441 part 1.  Don't disable SVG presentational attributes when page styles are disabled.  r=dbaron,jwatt
Bug 607441 part 2.  Mark the scoped sheet rule processor dirty when author styles are enabled or disabled.  r=dbaron