You may know about this already but Jira has Github integration as well [1]...
[1] http://blogs.atlassian.com/2014/04/connecting-jira-6-2-githu...
[1] http://blogs.atlassian.com/2014/04/connecting-jira-6-2-githu...
"Github _can_ integrate with Jira, but it has multi-minute delays before Jira gets all of the information. We got tired of it. Seriously. It only takes 30 seconds to break flow. Github's delay broke flow."