Checking wrong client in geolocate.
REALLY can't send only whitespace to chat.
Added log4dm.

Default channel logger is defined in ServerManager. World startup and
shutdown as well as the use of op commands are currently logged.
Properly escaping text sent to interface controls.
Added an operator window.

Currently this contains a GUI for the association tracker as well as a
place to view logs.
Interface elements no longer dynamically named.
Fixed bug with tracker GUI.

Wasn't updating grids properly.
Couldn't resize main window.
Updated .gitignore.
Added more information to the tracker.

Shows the location of each IP, and shows the last login time for each
computer ID.
Fixed possible runtime error.

If the world is rebooted or shut down, server_manager.logger would get
deleted before clients get deleted, causing a runtime error when
attempting to log a client's deletion.
Better tracker GUI.
Merge pull request #38 from koyeall/master

New features & bug fixes.