Improved input validation for settings that are acessible by the admin user.

Till Brehm

2014-08-01 e98a15838d8aed330ac7b1bb373b54524ea2a269

 install/sql/incremental/upd_0026.sql

@@ -1 +1 @@
ALTER TABLE `shell_user` CHANGE `ssh_rsa` `ssh_rsa` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL DEFAULT '';
ALTER TABLE `shell_user` CHANGE `ssh_rsa` `ssh_rsa` TEXT CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL;