A recent pull request for Jenkins has changed the toString method for a User to return the id of the user, instead of the fullName (Details in PR 4803

For us this has meant the git changelog has become harder to use as we can't easily identify a user for a particular commit as the ID for a user is their LDAP username.  Ideally we'd like the old functionality back to show a user's full name in the change log, although perhaps the option to set globally or optionally override on a project basis is a better solution.