Visualise the event queue length on self stats page
Increase tick padding for clarity. Add box around graph to improve data perception
Merge branch 'master' of github.com:flapjack/flapjack into feature/visualise-event-queue-length
Expose internal metrics via the JSONAPI
Merge pull request #482 from auxesis/feature/visualise-event-queue-length

Visualise the event queue length on self stats page