autoconf: Documentation for using the autoconf'd build

Most of the options available from configure are documented on the
autoconf.html. This page is reached as an alternative provided on the
install.html page. An FAQ about why there is no configure script has
been removed.
diff --git a/docs/faq.html b/docs/faq.html
index 89496c8..30239dc 100644
--- a/docs/faq.html
+++ b/docs/faq.html
@@ -187,24 +187,7 @@
 </a></p>
 
 
-<h2><a name="part2">2.2 Running <code>configure; make</code> doesn't Work</a></h2>
-<p>
-Mesa no longer supports GNU autoconf/automake.  Why?
-<ul>
-<li>It seemed to seldom work on anything but Linux
-<li>The config files were hard to maintain and hard to understand
-<li>libtool caused a lot of grief
-</ul>
-
-<p>
-Now Mesa again uses a conventional Makefile system (as it did originally).
-Basically, each Makefile in the tree includes one of the configuration
-files from the config/ directory.
-The config files specify all the variables for a variety of popular systems.
-</p>
-
-
-<h2><a name="part2">2.3 I get undefined symbols such as bgnpolygon, v3f, etc...</a></h2>
+<h2><a name="part2">2.2 I get undefined symbols such as bgnpolygon, v3f, etc...</a></h2>
 <p>
 <a name="part2">You're application is written in IRIS GL, not OpenGL.
 IRIS GL was the predecessor to OpenGL and is a different thing (almost)
@@ -213,7 +196,7 @@
 </a></p>
 
 
-<h2><a name="part2">2.4 Where is the GLUT library?</a></h2>
+<h2><a name="part2">2.3 Where is the GLUT library?</a></h2>
 <p>
 <a name="part2">GLUT (OpenGL Utility Toolkit) is in the separate MesaGLUT-x.y.z.tar.gz file.
 If you don't already have GLUT installed, you should grab the MesaGLUT
@@ -222,7 +205,7 @@
 
 
 
-<h2><a name="part2">2.5 What's the proper place for the libraries and headers?</a></h2>
+<h2><a name="part2">2.4 What's the proper place for the libraries and headers?</a></h2>
 <p>
 <a name="part2">On Linux-based systems you'll want to follow the
 </a><a href="http://oss.sgi.com/projects/ogl-sample/ABI/index.html"