Added tooltip to module edit widget funtion name
Added tooltip to module edit widget funtion name

gui/pipeline_view.py:
 - QGraphicsFunctionWidget:
   Show parameter types as tooltip for name label

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