Removed quick reference from table of contents, as it's from version 1.3. Much has changed since then.
diff --git a/user_guide/toc.html b/user_guide/toc.html
index 9714ad8..5e2637e 100644
--- a/user_guide/toc.html
+++ b/user_guide/toc.html
@@ -183,7 +183,6 @@
<h3>Additional Resources</h3>
<ul>
-<li><a href="./general/quick_reference.html">Quick Reference Chart</a></li>
<li><a href="http://codeigniter.com/forums/">Community Forums</a></li>
<li><a href="http://codeigniter.com/wiki/">Community Wiki</a></li>
</ul>