Modified the footer to be a link to the LLVM web page.
Organized the commands into three distinct groups on the main page.
Fixed the hyperlinks in the main page.
Removed as and dis; they will not exist with those names by Release 1.

llvm-svn: 8485
diff --git a/llvm/docs/CommandGuide/opt.html b/llvm/docs/CommandGuide/opt.html
index 8e1274e..86dcf73 100644
--- a/llvm/docs/CommandGuide/opt.html
+++ b/llvm/docs/CommandGuide/opt.html
@@ -110,7 +110,7 @@
 analyze
 
 <HR>
-University of Illinois at Urbana-Champaign
+<a href="http://llvm.cs.uiuc.edu">LLVM Team</a>
 </body>
 </html>