Refactor defined response handling

The mock http server now uses an Sun HttpServer to
serve the requests. The serving of predefined responses
works now with the sun httpserver.
Refactor request processor handling

Request processor handling is now possible with the
new sun http server backed mock http server.
Cleanup after refactoring

Deleting unused classes and fixing tests after
refactoring the mockhttpserver to use the sun
http server below.