Notify about server errors via email.
Merge branch 'master' of github.com:nbeloglazov/hatnik
Rename :user-token to :github-token. Store github login for each user.
Add github issue action to web server.
Add github issue action to worker server.
Update README.md
Add integration test for worker.
Use mongo in integration tests on travis.
Fix test exception.
Merge commit 'd675d65a'