FIxed a typo in create_port, we don't need to call the vistrails_port object that was created.
FIxed a typo in create_port, we don't need to call the vistrails_port
object that was created.

gui/shell.py:
  - vistrails_module.__getattr__.create_port: don't call the object



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