Merged from 1.33.0 release

[SVN r30540]

doc/includes.html

@@ -28,7 +28,7 @@
 <p>Spirit is designed to be header only. Generally, there are no libraries to build
 and link against. Certain features, however, require additional libraries; in particular
 the <a href="regular_expression_parser.html">regular expression parser</a> requires
-<a href="http://www.boost.org/libs/regex/index.htm">Boost.Regex</a> and <a href="grammar.html#multithreading">multithreading support</a>
+<a href="http://www.boost.org/libs/regex/index.html">Boost.Regex</a> and <a href="grammar.html#multithreading">multithreading support</a>
 requires <a href="http://www.boost.org/libs/thread/doc/index.html">Boost.Threads.</a></p>
 <p>Using Spirit is as easy as including the main header file:</p>
 <pre>    <span class="preprocessor">#include</span> <span class="special">&lt;</span>boost<span class="special">/</span>spirit<span class="special">.</span>hpp<span class="special">&gt;</span></pre>

doc/quick_start.html

@@ -55,8 +55,8 @@
       task but through ad hoc hacks using primitive tools such as
       <tt>scanf</tt>. True, there are tools such as regular-expression
       libraries (such as <a href=
-      "http://www.boost.org/libs/regex/index.htm">boost regex</a>) or scanners
-      (such as <a href="http://www.boost.org/libs/tokenizer/index.htm">boost
+      "http://www.boost.org/libs/regex/index.html">boost regex</a>) or scanners
+      (such as <a href="http://www.boost.org/libs/tokenizer/index.html">boost
       tokenizer</a>), but these tools do not scale well when we need to write
       more elaborate parsers. Attempting to write even a moderately-complex
       parser using these tools leads to code that is hard to understand and

doc/references.html

@@ -182,7 +182,7 @@ href="http://www.research.att.com/%7Ebs/whitespace98.pdf">Generalizing Overloadi
     <td width="36" class="table_cells">18.</td>
     <td width="236" class="table_cells"><a name="regex_boost_doc"></a>Dr. John 
       Maddock</td>
-    <td width="520" class="table_cells"><a href="http://www.boost.org/libs/regex/index.htm">Regex++ 
+    <td width="520" class="table_cells"><a href="http://www.boost.org/libs/regex/index.html">Regex++ 
       Documentation</a><br>
       http://www.boost.org/libs/regex/index.htm </td>
   </tr>

doc/regular_expression_parser.html

@@ -50,7 +50,7 @@
 <p>The generated parser object acts at the character level, thus an eventually 
   given skip parser is not used during the attempt to match the regular expression 
   (see <a href="faq.html#scanner_business">The Scanner Business</a>).</p>
-<p>The Regular Expression Parser is implemented by the help of the <a href="http://www.boost.org/libs/regex/index.htm">Boost 
+<p>The Regular Expression Parser is implemented by the help of the <a href="http://www.boost.org/libs/regex/index.html">Boost 
   Regex++ library</a>, so you have to have some limitations in mind. </p>
 <blockquote>
   <p><img src="theme/bullet.gif" width="12" height="12"> Boost libraries have