Fix the url check by adding the missing import
Add the to_json method to the Test object returning a json representation of the object
Add the to_json method to the Release object returning a json representation of the object
Add the fedmsg files
Add method to send messages on the fedmsg message bus
fedmsg integration

Send a message on the fedmsg message bus when a user adds a test (while
being authenticated) and when an admin adds or edits a release.