Adds python config management.

Loads configs from .env-local before it runs. Can push or pull configs to/from heroku staging.
Can also pull configs from heroku production, but not push--just to be on the safe side.
merging stuff.
Merge branch 'master' of github.com:total-impact/total-impact-core
Merge branch 'master' of github.com:total-impact/total-impact-core