+ Added TCPServer based on KryoNet. (Includes multiple library jars)
++ Uses TCPListener to handle Requests and Responses. 
++ Uses port 12000 by default. Will likely add a port property later.
++ Added example TCP Request/Response (SomeRequest, SomeResponse) from
KryoNet example. Will change later after confiriming it works.
+ Added more logging in various places.
+ Added Classroom Shutdown method.
~ Moved System Tray Icon into Classroom.java so that it is not dependent
on the Workbench.
~+ Added a right-click PopupMenu to the System Tray Icon.
~++ Added "Open Workbench" and "Shutdown Classroom" MenuItems to the
PopupMenu with respective ActionListeners.

~ Formatted Source Code.