Add preference for max user's inactivity duration before user is logged out from the system.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24580 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/PropertySheet/Preference.py

@@ -88,5 +88,10 @@ class Preference:
       'type'            : 'string',
       'default'         : '',
       'mode'            : 'w'},
+      { 'id'            : 'preferred_max_user_inactivity_duration',
+      'description'     : 'Maximum user\'s inactivity duration in seconds before user is automatically logged out',
+      'type'            : 'float',
+      'default'         : '',
+      'mode'            : 'w'},
   )