https://issues.apache.org/jira/browse/QPID-6100

Refine the exception message and throw a JMSSecurityException as defined by the spec and to make tests more explicit about what they are expecting.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1642996 13f79535-47bb-0310-9956-ffa450edef68