Bug 1015380 - Fix up Settings API to avoid unnecessarily modifying content objects. r=fabrice
Bug 1015380 - Fix up devtools server. r=past
Bug 1015380 - Fix up UITour.jsm. r=gijs
Bug 1015380 - Fix up tests that will break with Object Xrays. r=gabor
Bug 1015380 - Fix up SpecialPowers. r=gabor