Support for apple icons

[dangeRuss]

Can we add support for these icons as well as the standard ones we have now (like the favicon).

This is a list of errors on my instance for the last I guess week or so? Not sure how to read the range on the error log page.

Route Count
/apple-touch-icon.png 538
/apple-touch-icon-precomposed.png 211
/apple-touch-icon-152x152-precomposed.png 154
/apple-touch-icon-152x152.png 153
/apple-touch-icon-120x120-precomposed.png 128
/apple-touch-icon-120x120.png 128