+ links

Helps random newbies like me not have to search :)
Added the `on_started`, `on_success`, `on_failure` properties on the
notify.hipchat so that README readers can know that these properties are
available.
Merge pull request #58 from tomByrer/patch-1

+ links
Merge pull request #59 from yosssi/fix-readme

Added the `on_started`, `on_success`, `on_failure` properties on the notify.hipchat.
fix for issue #51
workaround for #51
Merge remote-tracking branch 'origin/master'
Added GitHubApiUrl and GitHubDomain to settings and template
Put values from settings into handler/auth.go
Use custom github domain for webhook
Update all github clients in code
Added settings to github_add page (fix redirect)
Fixed identation
Make IsGit check less strict
Fixed another github client instance in code