NO-JIRA: Remove use of boost::make_shared, not availble on some older versions.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1510596 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: Corrected use of boost_hash, failing to build on some compilers.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1510597 13f79535-47bb-0310-9956-ffa450edef68