Bug 477462 - margin-collapsing test suite, wave 6; parent's and last-child's bottom margin with min-/max-/height. r=dholbert
Bug 865673 - Convert objs.mk to objs.mozbuild. r=gps
Bug 914919 - Downgrade BaseRect::Set*Edge assertions to be non-fatal. r=dholbert
Bug 914919 followup, increase the assertion range for Windows