With @travs: Adding files to .gitignore.
With @travs:
Adding files to .gitignore.


Former-commit-id: 825502566200485a96dd55057f03a5f5a61ba5f1
hnunner/PyOpenWorm,openworm/PyOpenWorm,gsarma/PyOpenWorm,travs/PyOpenWorm,kaustubhcs/PyOpenWorm,gsarma/PyOpenWorm,openworm/PyOpenWorm