Fixed bug when selecting 'Skip' for a parameter in parameter exploration
Fixed bug when selecting 'Skip' for a parameter in parameter exploration

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