<bugfix>Don't delete tag text when attempting to prune</bugfix> <ticket>#384</ticket>
<bugfix>Don't delete tag text when attempting to prune</bugfix>
<ticket>#384</ticket>

gui/version_view.py:
  - QVersionTreeScene.keyPressEvent: don't call the base class for
    Del/Backspace events that we're handling

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