I like the work you have done with puppet augeasproviders and want to use augeas more often. However, I did run into a problem. Looks like your augeas.net
site has a whole bunch of broken links/404 errors. It appears that all the stock lenses are 404'ed http://augeas.net/stock_lenses.html
This has also been reported by others on github:
"choffee commented on Feb 13
It's also missing from the side bar on the files menu."