Title harmonization in the scope of Piwigo website integration.

$conf['reverse_home_title'] is false by default.
On reverse_home_title = true, only index page will reverse its title.

Compare to prior releases all titles are reversed.
- Croatian flag

merge -c3091 from branch 2.0 to trunk



git-svn-id: http://piwigo.org/svn/trunk@3095 68402e56-0260-453c-a942-63ccdbb3a9ee

include/page_header.php

@@ -43,6 +43,10 @@ $template->assign(
       isset($page['body_id']) ?
         $page['body_id'] : '',
 
+    'REVERSE' =>
+      (isset($conf['reverse_home_title']) and $conf['reverse_home_title']) ?
+        true : false,
+
     'CONTENT_ENCODING' => get_pwg_charset(),
     'PAGE_TITLE' => strip_tags($title),