Preview release page and release notes for 0.28

http://people.apache.org/~jross/transom/head/releases/qpid-0.28/index.html
http://people.apache.org/~jross/transom/head/releases/qpid-0.28/release-notes.html

Please take a look. Any changes you make to jira content will be reflected
in the final output.

If you would like an additional advisory note to be added, you can request
it on the release jira in a comment:

https://issues.apache.org/jira/browse/QPID-5600

Thanks!

Justin