NO-JIRA: Added SVN_INFO to the Ruby source tarball.

This file gives specific version information for when in history the
tarball was created. Also removed some vestigial debug code.

git-svn-id: https://svn.apache.org/repos/asf/qpid/proton/trunk@1430478 13f79535-47bb-0310-9956-ffa450edef68