Added newrelic agent.
Merge pull request #48 from petteraas/newrelic

Added newrelic agent.
Removed automatic copy ( that did a overwrite when existing ) of config
Copy the config.js in .travis.yml
Added confirm box for deleting of retrospectives.
Make sure the ticket is removed from view in the delete callback.
Merge pull request #49 from petteraas/fat_finger_retro

Added confirm box for deleting of retrospectives.