Quest System Changed

+ Packages added
+ Gui Changes
+ better Exception handling
Merge pull request #44 from Peda1996/GUI_quest

Quest System Changed
Merge pull request #48 from pointhi/master

fix Designator bug, add comments and add little improvement to Interpreter, FIX #46
Merge pull request #49 from pointhi/master

FIX NullPointerException #47