Merged old Box code with new Widget (untested)
Merge branch 'scenegraph_reorganization' into grid_widget
Widget updated to include margin, padding, border drawing, and child widget management
Merge branch 'master' into grid_widget
minor fixes
Moving toward having canvas manage fbo / viewport and associated transforms
Canvas now keeps track of fb_ and ndc_transforms
viewbox1 example runs
Corrections for viewport setting in viewbox
viewbox works with glviewport clipping.
viewbox + fbo is almost working.
viewbox + fbo working again.
Merge branch 'grid_widget' into canvas_visual_transforms
Grid widget is working again
docstrings for examples.
Vaccuum old code
Added basic tests for ellipse and polygon visual, method to retrieve file from test repo
Added init file, fixed indentation error
RegularPolygon test
Refactored image testing code
Added minor fix to PolygonVisual