Prefer flash for Safari 7.0.2, which still has the multi-playback issue. https://bugs.webkit.org/show_bug.cgi?id=116145
preferFlash for Safari 7.0.*, since 7.0.2 still has HTML5 audio performance bug. https://bugs.webkit.org/show_bug.cgi?id=116145
Fix transition syntax, also use unprefixed filters (perhaps they'll work in future.)
SVG-based spinner
Updated SM2 to 20131201