QPID-5610: add/update LICENSE,NOTICE,README.txt and dep check reference files for the source tree/archive and the binary assembly releases

merge from trunk r1617244


git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.30@1617249 13f79535-47bb-0310-9956-ffa450edef68