a few touch ups

I cleaned up a few things because I couldn't help myself

-  node can figure out a require without using `__dirname`
-  no longer import path, as it was only being used for one thing at this point and you were already doing `__dirname +` one place
-  enabled gzip compression on the server
- replaced the image based fork me button with a css one
- moved all the scripts to the bottom of the page so they wouldn't block rendering
- which means we can change the the `$(document).ready(function() {` to a simple iife
- put the 'use strict' pragma inside the closure so we don't force third party scripts to be strict as well