Trying to put drag and drop to work
Added screen object
Fixed some FIXMEs
Fixed a whole lot of TODOs and FIXMEs
Documented util.js
Docummented map.js file
Some commenting went on
Custom map loading is done
Fixed bug when drawing layers.
Private functions are hidden on input.js
Removed TODO
Added more info to some dispatched events
Countdown timeout is now configurable
Fullscreen game