Greg Daues Can you take a look at this for me? This this is the port to python 3, with backwards compatibility with python2.7, and includes a run of autopep8 on the code, and fixes after running flake8.

I'm going to merge the commits to this to make a bit easier to see what happened in a couple of the files.

$ git push
Counting objects: 1, done.
Writing objects: 100% (1/1), 242 bytes | 0 bytes/s, done.
Total 1 (delta 0), reused 0 (delta 0)
To ssh://git@github.com/lsst/ctrl_stats.git
88c6334..862db2c master -> master