Configurable session lifetime and timeout (#6597).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9797 e93f8b46-1217-0410-a6f0-8f06a7374b81

config/settings.yml

@@ -36,6 +36,14 @@ unsubscribe:
 password_min_length:
   format: int
   default: 4
+# Maximum lifetime of user sessions in minutes
+session_lifetime:
+  format: int
+  default: 0
+# User session timeout in minutes
+session_timeout:
+  format: int
+  default: 0
 attachment_max_size:
   format: int
   default: 5120