Move zip to util.js
Clean up unused vars
Add var statements
[merge] Clean up some javascript

Merge branch 'f/cleanup'
Move styling into style.css
Restructure index and style it. Also style game table
Better bg color and some spacing around components
Make gameInfo part of gameContainer
Pad counters
Give scores a min width
[merge] Lots of styling upgrades

Merge branch 'f/styling'
More styling: top border of gameboard and hiScore text alignment
Thanks, javascript
Center smiley face
Fix up score clearing
Remove score clearing functionality
Only show size subheading if scores exist
Keep track of game size
Accidental global
Add 'use strict'