Add "tab" "box3d" and "component" shapes 	Patch from:  Diomidis Spinellis <dds@aueb.gr>
Add "tab" "box3d" and "component" shapes
	Patch from:  Diomidis Spinellis <dds@aueb.gr>

BMJHayward/graphviz,ellson/graphviz,kbrock/graphviz,tkelman/graphviz,pixelglow/graphviz,MjAbuz/graphviz,tkelman/graphviz,pixelglow/graphviz,BMJHayward/graphviz,jho1965us/graphviz,tkelman/graphviz,pixelglow/graphviz,MjAbuz/graphviz,ellson/graphviz,ellson/graphviz,kbrock/graphviz,ellson/graphviz,kbrock/graphviz,pixelglow/graphviz,MjAbuz/graphviz,MjAbuz/graphviz,BMJHayward/graphviz,ellson/graphviz,kbrock/graphviz,tkelman/graphviz,MjAbuz/graphviz,jho1965us/graphviz,MjAbuz/graphviz,BMJHayward/graphviz,tkelman/graphviz,tkelman/graphviz,BMJHayward/graphviz,BMJHayward/graphviz,MjAbuz/graphviz,MjAbuz/graphviz,kbrock/graphviz,jho1965us/graphviz,BMJHayward/graphviz,tkelman/graphviz,pixelglow/graphviz,jho1965us/graphviz,jho1965us/graphviz,MjAbuz/graphviz,ellson/graphviz,pixelglow/graphviz,tkelman/graphviz,jho1965us/graphviz,ellson/graphviz,jho1965us/graphviz,BMJHayward/graphviz,ellson/graphviz,ellson/graphviz,pixelglow/graphviz,ellson/graphviz,jho1965us/graphviz,kbrock/graphviz,tkelman/graphviz,pixelglow/graphviz,tkelman/graphviz,jho1965us/graphviz,pixelglow/graphviz,BMJHayward/graphviz,BMJHayward/graphviz,pixelglow/graphviz,kbrock/graphviz,MjAbuz/graphviz,kbrock/graphviz,kbrock/graphviz,pixelglow/graphviz,jho1965us/graphviz,ellson/graphviz,kbrock/graphviz,jho1965us/graphviz,BMJHayward/graphviz,kbrock/graphviz,MjAbuz/graphviz,tkelman/graphviz