Fix issues with application cleanup
Fix issues with application cleanup

1) Remove all objects that are not the grid instead of a specific list
2) Address need to force render where appropraite
3) Reset animation time on data unload

Kitware/VeloView,Kitware/VeloView,frizaro/Veloview,Kitware/VeloView,Kitware/VeloView,frizaro/Veloview,frizaro/Veloview,frizaro/Veloview,Kitware/VeloView