Default task is now all CSS-related

`grunt` deploys CSS; `grunt deploy_all` deploys CSS and JS
Updates CSS links
Updates image paths
Renames js files
JS workflow updates
Removes unused and unnecessary tasks

I'm not using autoprefixer at the moment; I also have no js files to concatenate
Removes watch:scripts
Updates js link
Updates respond.min.js link in header
Missed a css link
Updates package.json to add source property
Updates banners
Removes human readable links

No longer need ggr-copy; human-readable CSS file available on github and in browser dev tools
Resets default grunt task list

Default and deploy_all were almost identical
Adds .min to local.js
Adds built files
Moves src/font to build/font