QPID-5321: fix exception handling in qpid-tool. Fix by Jakub Scholz

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1540793 13f79535-47bb-0310-9956-ffa450edef68
QPID-5324: don't ignore unrecognised filter, throw exception

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1540794 13f79535-47bb-0310-9956-ffa450edef68