[Major] Revised the whole architecture prior to loading the game. Removed the bootstraping and replaced it with an App object that handles everything in stages. Added proper loading of game-files and an progressbar that indicate the status. When the loading stage is finished, the game stages takes over and everything is as it used to be. A lot of things has been moved into a config file and therefore a lot of files are not needed anymore (images.js, weapons.js). TODO: Clean up and remove unused files. Improve file structure with folders. Split script.js and objects.js into more files.