Remove use of team_exists.
Get 80% there with github provider implementation.
Add docstring, alter requirements.
Create client class.
Add complete end to end script.
Introduce apitopy for the client GETs.
Add settings add/update/retrieve.
Tidy up migrations in this PR.
Rename github/models to github/trees
Auto append core to the url passed to the client.
Assorted pr fixes.
Fix failing test by ensuring test data is dotify'd
Merge pull request #20 from pretenders/alex/280-github-provider

Alex/280 github provider