<bugfix>Fix issue with redrawing the tree after analogies</bugfix> <ticket>#576</ticket>
<bugfix>Fix issue with redrawing the tree after analogies</bugfix>
<ticket>#576</ticket>

I think something changed with the focus that highlighted this issue.  Adding an invalidate_version_tree call fixes this.

gui/vistrail_controller.py:
  - VistrailController.perform_analogy: call invalidate_version_tree

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