Added function "is_superadmin" in auth library and improved other functions.

Till Brehm

2014-08-13 19b5e01da02aa2115ee802cf2e43a7f3e58f4eac

 install/sql/incremental/upd_0038.sql

@@ -1,4 +1,4 @@
-- --------------------------------------------------------
-- --------------------------------------------------------

ALTER TABLE `web_domain` ADD `web_folder` VARCHAR( 100 ) DEFAULT NULL AFTER `document_root` ;