* Deployer refactoring (remm)
* Documentation updates for new user guide book (remm)
* Split main catalina.jar (remm)
* Casts removal for main pipeline (remm)
* Tag plugins for JSTL (kinman ?)
* Optimization of BASIC authentication handling (remm)
* (optional) Optimization of DIGEST authentication handling
* (optional) Realm / auth refactoring (one of the goals would be to add better 
  support for DIGEST)
* (optional) GUI for the deployer
* (optional) Stack size reduction (removal of valves to improve runtime 
  performance and ease debugging) (costin ?)
* (optional) Java load balancer / cache (?) for use with Tomcat clustering, or
  with session affinity (remm ?, fhanik ?)