Submitted by: eseidel
Reviewed by: mjs
        No additional test cases needed, this fixes 5 existing tests.

        This patch fixes feImage (to scale and flip).
        Also fixes feColorMatrix (previously inadvertently disabled)
        Fixes <svg> in <svg> (sub-elements establishing viewports)
        Fixes clip-rule, by fixing style resolution on <clipPath> children

        * WebCore.xcodeproj/project.pbxproj: removed svgattr.[ch]
        * kcanvas/device/quartz/KCanvasFilterQuartz.mm:
        (KCanvasFEFloodQuartz::getCIFilter): respect subregion
        (KCanvasFEImageQuartz::getCIFilter): respect subregion, scale, flip
        * kcanvas/device/quartz/KCanvasResourcesQuartz.mm:
        (CGPathFromKCPathDataList): style/spacing update
        (KCanvasContainerQuartz::paint):  handle viewport, singular filters
        * khtml/rendering/render_object.cpp:
        (RenderObject::absoluteTransform): use QMatrix operator *
        * ksvg2/scripts/make_names.pl: allow FEColorMatrixElementImpl
        * ksvg2/svg/SVGClipPathElementImpl.cpp:
        (SVGClipPathElementImpl::canvasResource): resolve style manually
        * ksvg2/svg/SVGFEColorMatrixElementImpl.cpp:
        (SVGFEColorMatrixElementImpl::filterEffect): spacing fix
        * kwq/KWQWMatrix.h:
        * kwq/KWQWMatrix.mm:
        (QWMatrix::operator* ): added


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@11291 268f45cc-cd09-0410-ab3c-d52691b4dbfc