QPID-5291: hook in specific connection properties to management schema

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1538753 13f79535-47bb-0310-9956-ffa450edef68
QPID-5292: restore raising of connection event and setting of authIdentity on mgmt object

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1538754 13f79535-47bb-0310-9956-ffa450edef68