Using new feature detection support for svgforeignobject in TextBlock shape.
Using new feature detection support for svgforeignobject in TextBlock shape.

Fixes for IE in TextBlock shape (updating content).

kumilingus/joint,chill117/joint,chill117/joint,vtalas/joint,chill117/joint,DavidDurman/joint,clientIO/joint,gagaboy/joint,kumilingus/joint,clientIO/joint,vtalas/joint,kumilingus/joint,gagaboy/joint,DavidDurman/joint,clientIO/joint,gagaboy/joint,clientIO/joint,kumilingus/joint,vtalas/joint,DavidDurman/joint