WIP jenkins
Merge branch 'refs/heads/feature-21-invoicing' into feature-metrics
Merge branch 'refs/heads/master' into feature-metrics
Add github outgoing PR statistic
Merge branch 'refs/heads/master' into feature-metrics
Check that outgoing pull request count works
Add test coverage for Jenkins builds
Merge pull request #126 from theodi/feature-metrics

A load of metrics monitor tests, and support for outgoing pull requests