Refactor "Choosing the approach" into its own page. It was dominating the main home page, yet is really a topic for study after other material is absorbed.

doc/arithmetic.html

@@ -27,11 +27,12 @@
 
 <table border="0" cellpadding="5" cellspacing="0" style="border-collapse: collapse" bordercolor="#111111" bgcolor="#D7EEFF" width="100%">
   <tr>
-    <td><b><a href="../../../index.htm">Boost Home</a>&nbsp;&nbsp;&nbsp;&nbsp;
+    <td><b>
     <a href="index.html">Endian Home</a>&nbsp;&nbsp;&nbsp;&nbsp;
     <a href="conversion.html">Conversion Functions</a>&nbsp;&nbsp;&nbsp;&nbsp;
     <a href="arithmetic.html">Arithmetic Types</a>&nbsp;&nbsp;&nbsp;&nbsp;
-    <a href="buffers.html">Buffer Types</a></b></td>
+    <a href="buffers.html">Buffer Types</a>&nbsp;&nbsp;&nbsp;&nbsp;
+    <a href="choosing_approach.html">Choosing Approach</a></b></td>
   </tr>
 </table>
 
@@ -681,7 +682,7 @@ differs from endian representation size. Vicente Botet and other reviewers
 suggested supporting floating point types.</p>
 <hr>
 <p>Last revised:
-<!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->05 December, 2014<!--webbot bot="Timestamp" endspan i-checksum="38642" --></p>
+<!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->02 January, 2015<!--webbot bot="Timestamp" endspan i-checksum="38888" --></p>
 <p>© Copyright Beman Dawes, 2006-2009, 2013</p>
 <p>Distributed under the Boost Software License, Version 1.0. See
 <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/ LICENSE_1_0.txt</a></p>