Add bogus
Ignore config/database.yml
[#2] Implement github authentication

OAuth secrets are obtained from environment variables
- AppID     -> ENV['GITHUB_ID']
- APpSecret -> ENV['GITHUB_SECRET']
Merge pull request #8 from X8/2_github_authentication

[#2] Implement github authentication
[#7] Add Lint::PullRequest to recognize git sha

When we get message that there was commit in repository we can recognize
base and target SHA's to list of modified files.
Merge pull request #9 from X8/lint-pull-request

[#7] Add Lint::PullRequest to recognize git sha