Fix logging to the DB and trying to send log on the fedmsg bus
Upon starting, load the plugins and stop there
Define a generic get_versions method if the backend can return a list instead of one

And adjust the documentation of the methods to implement
Adjust the load_plugins method so that it works...
Add a first draft of the pypi backend
Fix imports in the internal library
Fix the create_project method including its logging mechanism
Add an edit_project method in the internal API
Adjust the UI controller for the new_project and edit_project endpoints