Update the trunk release notes with the one's from the 3.4.0 release
Update the trunk release notes with the one's from the 3.4.0 release

git-svn-id: 0fb8a5a922afe2085ae9a967a0cf0864fe09ecff@1099769 13f79535-47bb-0310-9956-ffa450edef68

apache/activemq-cpp,apache/activemq-cpp,apache/activemq-cpp,apache/activemq-cpp