Remove -- characters that were reported as invalid within a comment. Add the build...

Remove -- characters that were reported as invalid within a comment.  Add the build/lib directory that holds the required jars.  Adjust the path to match the svn directory structure.  And modify the path to refer to the v2.3 branch, since postage is not updated to work with trunk.

git-svn-id: https://svn.apache.org/repos/asf/james/postage/trunk@430288 13f79535-47bb-0310-9956-ffa450edef68