don't use packaged assets
Revert "crosslink isn't supported"

This reverts commit 195dc50f1b38926c2f7b2103304b47a06de9ca56.
support method crosslinks
support class crosslinks
no need for nav menu
added version tag
better method display
just use markdown directly
simple links
better link texts
display the static tag small
CSS improvements
fixed scrollspy
cleanup
auto-sanitize links
pack it all in one file