Automate release notes
Bit of a PITA to repeat the information in every PR in a release note for that PR as well. The automation tools in IPython for this work well there and in statsmodels. Would be nice to consider adding these to pandas. 

https://github.com/ipython/ipython/blob/master/tools/gh_api.py
https://github.com/ipython/ipython/blob/master/tools/github_stats.py
