QPIDJMS-22: initial work on implementing StreamMessage

git-svn-id: https://svn.apache.org/repos/asf/qpid/jms/trunk@1612856 13f79535-47bb-0310-9956-ffa450edef68
QPIDJMS-23: move existing findbugs-maven-plugin usage into its own profile

git-svn-id: https://svn.apache.org/repos/asf/qpid/jms/trunk@1612861 13f79535-47bb-0310-9956-ffa450edef68