Bug 876450 - non-scaling-stroke doesn't work with svg.text.css-frames.enabled. r=heycam

--HG--
rename : layout/reftests/svg/non-scaling-stroke-03-ref.svg => layout/reftests/svg/text/dynamic-non-scaling-stroke-ref.svg
rename : layout/reftests/svg/non-scaling-stroke-03.svg => layout/reftests/svg/text/dynamic-non-scaling-stroke.svg