Merge pull request clawpack#194 from rjleveque/move_notebook

move the animation_tools_demo.ipynb notebook

Version 5.3.1

Merge pull request clawpack#158 from rjleveque/edges_to_nodes

change patch.grid.c_edges to c_nodes in frametools.py

Merge pull request clawpack#117 from rjleveque/JSanimation_plotdir

refer to plotdir rather than assuming _plots

Merge pull request clawpack#117 from rjleveque/JSanimation_plotdir

refer to plotdir rather than assuming _plots

Merge pull request clawpack#113 from rjleveque/time-check

Time checking

5.1.0 release