- Add lots of info the SnooServlet output.
- Add SnoopResult class to parse SnoopServlet
response body.
- Adjust TestRewriteValve to use the new
  SnoopServlet / SnoopResult

The more powerful SnoopServlet will be used in
forthcoming AJP protocol tests.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1645358 13f79535-47bb-0310-9956-ffa450edef68