I made list list for a .gitkeep file so you can just keep the .png files in the project directory. Bandaid solution for this common issue generated by HTML5 Boilerplate / Bootstrap. Saw this issue with the apple touch icons bombarding some server error logs.
<br />apple-touch-icon.png apple-touch-icon-57x57.png apple-touch-icon-72x72.png apple-touch-icon-76x76.png apple-touch-icon-114x114.png apple-touch-icon-120x120.png apple-touch-icon-144x144.png apple-touch-icon-152x152.png apple-touch-icon-180x180.png apple-touch-icon-precomposed.png apple-touch-icon-57x57-precomposed.png apple-touch-icon-72x72-precomposed.png apple-touch-icon-76x76-precomposed.png apple-touch-icon-114x114-precomposed.png apple-touch-icon-120x120-precomposed.png apple-touch-icon-144x144-precomposed.png apple-touch-icon-152x152-precomposed.png apple-touch-icon-180x180-precomposed.png
###Further Reading
http://stackoverflow.com/questions/12480497/why-am-i-getting-error-for-apple-touch-icon-precomposed-png
Apple touch icon: The Good, the Bad and the Ugly