New version of github script from IPython
Matplotlib changes to github_stats.py
Escape ` * and _ in github output
Regenerate github stats
Remove deprecated subplot 0
Update test_test to not use deprecated subplot num
Merge pull request #3721 from jenshnielsen/subplots-deprecation

MNT : Subplots deprecation
Remove PyCXX from _tri module
Completely remove PyCXX
Merge remote-tracking branch 'ianthomas23/final_decxx'
Merge remote-tracking branch 'jenshnielsen/github_status_upgrade'