Moved engine to separate file
Engine separation adjustments
Engine canvas class

Create the element with optional options. Automatically resize the
canvas to fit the window or not itf a width and height is specified.
Also a basic draw for demo.
Start Game

Instantiate the canvas class.Removed jquery dependency, wasnt needed
since manipulated dom is loaded from javascript.
Merge branch 'master' of https://github.com/UniToxic/cn-spaceshooter