Rename touch-icons folder to the more generic icons. Not only the apple-touch-icons are located in this folder, but also the (high-res) favicon.png file. (READ: http://www.jonathantneal.com/?p=339)
Final update to html_head snippets, to show rel="prev", rel="next" and rel="prefetch/prerender" links; pass variable in template when linking to htm_head snippet; update touch, favicon and Metro IE10 icons notation to display best possible favicon in every browser (READ: http://www.jonathantneal.com/?p=339)!