[webkit-dev] layout test regressions

Tests where results did not match expected results: css2.1/t0905-c414-flt-00-d expected actual diffs fast/js/kde/parse expected actual diffs svg/W3C-SVG-1.1/filters-light-01-f expected actual diffs svg/W3C-SVG-1.1/filters-specular-01-f expected actual diffs svg/W3C-SVG-1.1/masking-mask-01-b expected actual diffs svg/W3C-SVG-1.1/render-groups-03-t expected actual diffs svg/custom/grayscale-gradient-mask expected actual diffs fast/js/kde/parse is actually a new success, but the rest are regressions. Eric, Beth, could you take a look? (You'll need to update to TOT first. My PlugIn checkin temporarily broke all layout tests, but I've rolled it out for now.) Geoff