Reorganizing and deleting some classes.
Implemented Planner class.
Slight modification to server class.
New class whose responsibility is to do a simple realization of NLG.
Working on dummy server.
Implemented the WorldInterpreter class and added/changed its interface as well.
Main class for AlphaNLGserver added. Decision making and big part of system logic is in this class.
Disabled the single test, left the source for sake of reference later.