msxml3: Fix IXMLDOMDocument::createDocumentFragment(), can't use IXMLDOMNode*->IXMLDOMDocumentFragment* cast.

Alpha source should be selected with WINED3DTSS_ALPHAOP and not by changing the source itself.

Scancodes 63..6B for F16-F24 were not added because they conflict
with the 60.. reassignment heuristic in InitKeyboard.

Implement IDirect3DRMMeshBuilderImpl_GetTextureCoordinates.

The DIB used in the LOGBRUSH doesn't last long enough.