Fix encoding of transactional outcome

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/branches/examples@1635194 13f79535-47bb-0310-9956-ffa450edef68
Added a couple of new transactional examples

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/branches/examples@1635195 13f79535-47bb-0310-9956-ffa450edef68