- in picture.php, $user['maxwidth'] and $user['maxheight'] can be unset if

NULL in database

- new table user_forbidden {user_id,need_update,forbidden_categories} and
  deletion of field users.forbidden_categories

- new function calculate_permissions to update table user_forbidden when
  needed

- simplification of include/user.inc.php

- in footer of each page, use "-" instead of "::" to separate page
  information


git-svn-id: http://piwigo.org/svn/trunk@648 68402e56-0260-453c-a942-63ccdbb3a9ee

template/default/footer.tpl

@@ -1,6 +1,6 @@
  <div class="copyright">
  <!-- BEGIN debug -->
- {L_GEN_TIME} {TIME} ::
+ {L_GEN_TIME} {TIME} -
  <!-- END debug -->
 
  <!-- Please, do not remove this copyright. If you really want to,
@@ -8,7 +8,7 @@
 	  to show the origin of the script...-->
 
   Powered by <a href="http://www.phpwebgallery.net" class="back">PhpWebGallery</a>
-  {VERSION} :: 
+  {VERSION} - 
 
   {L_SEND_MAIL}
   <a href="mailto:{MAIL}?subject={L_TITLE_MAIL}">