Out-of-the-box configuration with this module supports the jetty webconsole, but webconsole fails to find ${activemq.username} and ${activemaq.password} in credentials.properties. Current activemq::user type uses the username specified to create entries like system.user=system. Adding $namespace parameter to allow creatin of entries of like activemq.username=system. $namesapce defaults to $username, unless explicitly set, so should be backwards compatible.