Fix "further information" link
Fix "further information" link

"further information" link was missing the `v` part from the url.
e.g.
wrong (404 notfound): https://rust-lang-nursery.github.io/rust-clippy/0.0.157/index.html#map_entry
correct: https://rust-lang-nursery.github.io/rust-clippy/v0.0.157/index.html#map_entry
graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust