Fix tests for IE9 (use threshold testing)
Fix tests for IE9 (use threshold testing)

palantir/plottable,iobeam/plottable,RobertoMalatesta/plottable,RobertoMalatesta/plottable,jacqt/plottable,jacqt/plottable,alyssaq/plottable,onaio/plottable,danmane/plottable,NextTuesday/plottable,jacqt/plottable,palantir/plottable,iobeam/plottable,onaio/plottable,softwords/plottable,gdseller/plottable,NextTuesday/plottable,gdseller/plottable,danmane/plottable,alyssaq/plottable,alyssaq/plottable,RobertoMalatesta/plottable,palantir/plottable,NextTuesday/plottable,gdseller/plottable,iobeam/plottable,softwords/plottable,softwords/plottable,danmane/plottable,palantir/plottable,onaio/plottable