Web Service Revise ws_checker and ws_functions.inc.php

(Next steps:
- Restrict Method need to be more generic maybe
- Delete functions_webserv.inc.php 
- Activate $partner in ws.php
- Include checked access in tools
- ...)


git-svn-id: http://piwigo.org/svn/trunk@1760 68402e56-0260-453c-a942-63ccdbb3a9ee

admin.php

@@ -114,7 +114,7 @@ $template->assign_vars(
     'L_ADMIN_HINT' => $lang['hint_admin']
     )
   );
-if ($conf['allow_web_services'])
+if ($conf['ws_access_control']) // Do we need to display ws_checker
 {
   $template->assign_block_vars(
     'web_services',