web: fix links

website/CHANGES.html

@@ -33,7 +33,6 @@
 
       <p>Newer releases are described in their release notes document:</p>
       <p>
-         <a href="release-1.21.html">1.21</a> 
          <a href="release-1.20.html">1.20</a> 
          <a href="release-1.19.html">1.19</a> 
          <a href="release-1.18.html">1.18</a> 

website/download-1.17.html

@@ -25,7 +25,7 @@
 	<li><a href="index.html">Home</a></li>
 	<li><b>Downloads</b></li>
 	<li><a href="doc.html">Documentation</a></li>
-	<li><a href="usermanual/rcl.install.html">Installation</a></li>
+	<li><a href="usermanual/RCL.INSTALL.html">Installation</a></li>
 	<li><a href="index.html#support">Support</a></li>
       </ul>
     </div>

website/download-1.18.html

@@ -25,7 +25,7 @@
 	<li><a href="index.html">Home</a></li>
 	<li><b>Downloads</b></li>
 	<li><a href="doc.html">Documentation</a></li>
-	<li><a href="usermanual/rcl.install.html">Installation</a></li>
+	<li><a href="usermanual/RCL.INSTALL.html">Installation</a></li>
 	<li><a href="index.html#support">Support</a></li>
       </ul>
     </div>

website/filters/filters.html

@@ -25,7 +25,7 @@
 	<li><a href="../index.html">Home</a></li>
 	<li><a href="../download.html">Downloads</a></li>
 	<li><a href="../usermanual/index.html">User manual</a></li>
-	<li><a href="../usermanual/rcl.install.html">Installation</a></li>
+	<li><a href="../usermanual/RCL.INSTALL.html">Installation</a></li>
 	<li><a href="../index.html#support">Support</a></li>
       </ul>
     </div>

website/fr/features.html

@@ -24,7 +24,7 @@
 	<li><a href="../index.html">Base</a></li>
 	<li><a href="../pics/index.html">Copies d'écrans</a></li>
 	<li><a href="../download.html">Téléchargements</a></li>
-	<li><a href="../manuals.html">Documentation</a></li>
+	<li><a href="../doc.html">Documentation</a></li>
 	<li><a href="../index.html#support">Support</a></li>
 	<li><a href="../devel.html">Développement</a></li>
       </ul>