<ticket>#353</ticket> <bugfix>update id scope after importing a workflow</bugfix>
<ticket>#353</ticket>
<bugfix>update id scope after importing a workflow</bugfix>

gui/view_manager.py:
  - QViewManager.open_workflow: call update_id_scope



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