Added new input filters.

interface/web/admin/form/directive_snippets.tform.php

interface/web/admin/form/groups.tform.php

interface/web/admin/form/iptables.tform.php

interface/web/admin/form/server.tform.php

interface/web/admin/form/server_config.tform.php

interface/web/admin/form/server_php.tform.php

interface/web/admin/form/software_package.tform.php

interface/web/admin/form/software_repo.tform.php

interface/web/admin/form/system_config.tform.php

interface/web/admin/form/tpl_default.tform.php

interface/web/client/client_edit.php

interface/web/client/domain_edit.php

interface/web/client/form/client.tform.php

interface/web/client/form/client_circle.tform.php

interface/web/client/form/client_template.tform.php

interface/web/client/form/message_template.tform.php

interface/web/client/form/reseller.tform.php

interface/web/client/reseller_edit.php

interface/web/dns/dns_import.php

interface/web/dns/dns_slave_edit.php