issue 426 step 1 reverted:

svn merge -r1466:1465 .
svn merge -r1463:1462 .


git-svn-id: http://piwigo.org/svn/trunk@1376 68402e56-0260-453c-a942-63ccdbb3a9ee

include/common.inc.php

@@ -201,17 +201,9 @@ if ($user['is_the_guest'])
 list($user['template'], $user['theme']) = explode('/', $user['template']);
 // TODO : replace initial $user['template'] by $user['layout']
 
-if (defined('IN_ADMIN') && IN_ADMIN) 
-{
-  $template_root = 'admin';
-} 
-else 
-{
-  $template_root = 'public';
-}
 include(
   PHPWG_ROOT_PATH
-  .'template/'.$template_root.'/'.$user['template']
+  .'template/'.$user['template']
   .'/theme/'.$user['theme']
   .'/themeconf.inc.php'
   );