MNT: added 2 patches for PYXPCS.py and makemask.py to remove use of matplotlib.nxutils
MNT: fixed the code PYXPCS.py and makemask.py to remove use of matplotlib.nxtuils
MNT: deleted patch1.txt and patch2.txt from the repository
Merge pull request #2 from sameera2004/patches

Patches