misc changes
ignore .png
Revert "re-implementing voronoi-delaunay grids"

This reverts commit 74fd43f6e28b7ed09d6cff59dfe786da1b3fdcee.
Revert ca423ef..3bb62a2

This rolls back to commit ca423ef057610853f92bfbc01553b9b5b3de0315.
interface finished

- complete reimplementation with quickdrawProcessing