rename documentation.html -> index.html, rename index.html -> demos.html, edit styles.css for graphical improvements, edit docs/css/i/spritesheet.png to reflect whiter icons, edit index.html to fix some changes within the api, edit demos.html to fix errors with obsolete Lib.js method calls
rename Lib.events.getCTX() -> Lib.events.getContext(), add documentation for Lib.events.emit() method