Revision 267693

Added MailMessage.  Hope people don't mind that I left it in
com.oreilly.servlet.  I did that since it's going to be a mirror
of what's in the larger com.oreilly.servlet package.  I put
it under the Apache license of course, and added the ASF as an
additional copyright holder.  Code can have two copyright holders,
meaning either party can do as they wish with the code.  This lets
the ASF upgrade to Apache License 1.2 sometime in the future, and
lets me be able to use the code without thanking the ASF for code
I wrote.  :-)  Updated build.xml to handle the new package.