To start server:

First, run WhiteboardServer.java (in server package). The server will be
automatically set to listen on localhost (127.0.0.1), on port 6005.

Then, for each client you want, run ClientGUI.java (in client package). The
default IP:port is localhost:6005.

Additional files:
docs/gui-testing.pdf: Documentation of the manual testing that was executed 
		for gui-related code. Includes unit tests and integration tests.