Stylistic changes/fixes to cusp page

Two of the three links were broken. I update bitfauna's to the projects
page and Sergey Kolos to his github. The third actually still has code
and is up so I left it.

Author: Christopher Carpenter

env/cusp-setup.html

@@ -7,6 +7,6 @@ <h1 class="title">CUSP</h1>
 </header>
 <p>CUSP is an Eclipse plugin that should work with the standard Lisp IDE interface (known as SWANK).</p>
 <p>Unfortunately, it appears to be sadly out of maintenance.</p>
-<p>The initial release was from <a href="http://bitfauna.com/projects/cusp/">bitfauna</a>, then it was forked by <a href="http://www.sergeykolos.com/cusp/update/index.html">Sergey Kolos</a>, then he forked it again to create the Lispdev project, which <a href="https://bitbucket.org/skolos/lispdev/overview">again appears to be untouched</a>.</p>
+<p>The initial release was from <a href="http://bitfauna.com/projects.html">bitfauna</a>, then it was forked by <a href="https://github.com/skolos">Sergey Kolos</a>, then he forked it again to create the Lispdev project, which <a href="https://bitbucket.org/skolos/lispdev/overview">again appears to be untouched</a>.</p>
 <p>Bug reports indicate that Kolos Cusp does not work with Windows 7 64-bit.</p>
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