Fixed Rotation jitter

When moving left, the ship would occasionally start jittering and move
to the side. Now fixed.
Cleanup
Rewrite
Removed _old.js
new Graphics and Constants

Graphics have functional object now;
Constants have been expanded and now have a function in global scope;
Entity expansion

Entity definition is expanded;
Events and Entity simplification

Game.Logic now has Events and EventTargets à la addEventListener. Many
new resources; gitignore expanded to ignore them all;
Updated for new res layout
Image preloader

Images are now preloaded by loader.js; html and css updated for that.
getImage and Graphics.Core and UI

newImage renamed and redefined to getImage; Graphics split up into Core
and UI;
Resources

Resources now have a hint for how to gather;
Reorganize
Animation extensions
Scaling now works on width
Synchronous loads

Images now finally synchronously load; Finally.
IIFE adjustments and Animation expansion

some functions are now global again; Animation has been expanded and
works with instances of the same animation.
Animation finished

Animation ahs been finished; Assert added for sanity checking;
More Animations and respaths fixes

New animations for projectiles; fix for spelling mistake
RunningAnimation *is* a EventTarget

RunningAnimation is now a EventTarget;  EventTarget has therefore been
moved forward.
Particle expansions and new animations

Particle has been expanded to use animationend event, and Animations now
reterun those. All particles are stored in Game.Data.particles, and they
get updated and removed from there.