NO-JIRA: Added licensing prologs to the Ruby feature files and gemspec

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.26@1554873 13f79535-47bb-0310-9956-ffa450edef68
NO-JIRA: Added licensing prologs to the Perl Makefile

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.26@1554874 13f79535-47bb-0310-9956-ffa450edef68