Add scripts for converting VisTrails OPM to dot format.  Tries to mimic opm2dot tool created by Moreau [http://twiki.ipaw.info/bin/view/Challenge/OpenProvenanceModelBindings], but creates nicer labels for the VisTrails "values" stored by processes and artifacts.
Add scripts for converting VisTrails OPM to dot format.  Tries to
mimic opm2dot tool created by Moreau
[http://twiki.ipaw.info/bin/view/Challenge/OpenProvenanceModelBindings],
but creates nicer labels for the VisTrails "values" stored by
processes and artifacts.



minesense/VisTrails,VisTrails/VisTrails,hjanime/VisTrails,celiafish/VisTrails,celiafish/VisTrails,minesense/VisTrails,VisTrails/VisTrails,VisTrails/VisTrails,minesense/VisTrails,hjanime/VisTrails,VisTrails/VisTrails,Nikea/VisTrails,celiafish/VisTrails,celiafish/VisTrails,minesense/VisTrails,Nikea/VisTrails,Nikea/VisTrails,VisTrails/VisTrails,minesense/VisTrails,hjanime/VisTrails,hjanime/VisTrails,Nikea/VisTrails,hjanime/VisTrails