Add test for on_delete in Cookie.owner
Use Django discover runner
fix travis
Fix logo path in README
Merge branch 'master' of github.com:muffins-on-dope/bakery
Merge branch 'master' into feature/auth

* master:
  Fix logo path in README
  fix travis
  Use Django discover runner
  Add test for on_delete in Cookie.owner
Add social apps installed app
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