- replaces HashMap by EnumMap where the key is an enum,
  as EnuMap maps have better performance and memory
  characteristics for enum keys.
UNDERTOW-125 UndertowSession#addMessageHandler(MessageHandler)
does not take all onMessage-methods of the provided message
handler into account.
Fix attempt for https://issues.jboss.org/browse/UNDERTOW-124
Update FormAuthenticationMechanism.java
UNDERTOW-127 HttpServletResponseImpl.setContentType() does not ignore quotes around charset
Fix AJP issue
Add support for SSL renegotiation in the client cert case

This requires an XNIO release to actually work
Use balancing tokens by default in the Undertow builder
UNDERTOW-128 Listener instances not released on undeploy
Fix potential NPE
Fix issue with HEAD transfer encoding
Fix bug in file error page handler
Fix bug in chunked stream sink conduit
Fix some HTTP client bugs
1.0.0.Beta22
Next is 1.0.0.Beta23
Fix port parsing bug
Fix fluent API
Fix logic error
Test modifying the path of the session cookie