modified the file header to add more informations, painful... updated to

* include/libxml/*.h include/libxml/*.h.in: modified the file
  header to add more informations, painful...
* genChRanges.py genUnicode.py: updated to generate said changes
  in headers
* doc/apibuild.py: extract headers, add them to libxml2-api.xml
* *.html *.xsl *.xml: updated the stylesheets to flag geprecated
  APIs modules. Updated the stylesheets, some cleanups, regenerated
* doc/html/*.html: regenerated added back book1 and libxml-lib.html
Daniel
diff --git a/doc/api.xsl b/doc/api.xsl
index 132648f..2b7bd71 100644
--- a/doc/api.xsl
+++ b/doc/api.xsl
@@ -108,7 +108,7 @@
                                     <tr>
                                       <td bgcolor="#fffacd">
 				        <xsl:apply-templates mode="reflist" select="type"/>
-					<p><a href="bugs.html">Daniel Veillard</a></p>
+					<p><a href="{$href_base}bugs.html">Daniel Veillard</a></p>
                                       </td>
                                     </tr>
                                   </table>
@@ -164,7 +164,7 @@
                                     <tr>
                                       <td bgcolor="#fffacd">
 				        <xsl:apply-templates mode="reflist" select="file"/>
-					<p><a href="bugs.html">Daniel Veillard</a></p>
+					<p><a href="{$href_base}bugs.html">Daniel Veillard</a></p>
                                       </td>
                                     </tr>
                                   </table>
@@ -220,7 +220,7 @@
                                     <tr>
                                       <td bgcolor="#fffacd">
 				        <xsl:apply-templates mode="reflist" select="type"/>
-					<p><a href="bugs.html">Daniel Veillard</a></p>
+					<p><a href="{$href_base}bugs.html">Daniel Veillard</a></p>
                                       </td>
                                     </tr>
                                   </table>
@@ -276,7 +276,7 @@
                                     <tr>
                                       <td bgcolor="#fffacd">
 				        <xsl:apply-templates mode="reflist" select="letter"/>
-					<p><a href="bugs.html">Daniel Veillard</a></p>
+					<p><a href="{$href_base}bugs.html">Daniel Veillard</a></p>
                                       </td>
                                     </tr>
                                   </table>
@@ -352,7 +352,7 @@
 				        <xsl:apply-templates mode="wordlist"
 					           select="$target/letter"/>
 				        <xsl:call-template name="apichunks"/>
-					<p><a href="bugs.html">Daniel Veillard</a></p>
+					<p><a href="{$href_base}bugs.html">Daniel Veillard</a></p>
                                       </td>
                                     </tr>
                                   </table>