Merge pull request #11478 from owncloud/fix-11448

apps/user_ldap/appinfo/update.php

apps/user_ldap/appinfo/version

apps/user_ldap/css/settings.css

apps/user_ldap/js/experiencedAdmin.js

apps/user_ldap/js/ldapFilter.js

apps/user_ldap/js/settings.js

apps/user_ldap/lib/configuration.php

apps/user_ldap/settings.php

apps/user_ldap/templates/part.wizard-groupfilter.php

apps/user_ldap/templates/part.wizard-server.php

apps/user_ldap/templates/part.wizard-userfilter.php

apps/user_ldap/templates/part.wizardcontrols.php