add mysql-quota (http://www.howtoforge.com/forums/showthread.php?t=64975)

install/sql/ispconfig3.sql

install/tpl/server.ini.master

interface/lib/classes/tools_monitor.inc.php

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

interface/web/admin/lib/lang/en_server_config.lng

interface/web/admin/templates/server_config_web_edit.htm

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

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

interface/web/client/lib/lang/en_client.lng

interface/web/client/lib/lang/en_client_template.lng

interface/web/client/templates/client_edit_limits.htm

...face/web/client/templates/client_template_edit_limits.htm

interface/web/sites/database_edit.php

interface/web/sites/form/database.tform.php

interface/web/sites/lib/lang/en_database.lng

interface/web/sites/templates/database_edit.htm

server/conf/mail/db_quota_notification_de.txt

server/conf/mail/db_quota_notification_en.txt

server/conf/mail/db_quota_ok_notification_de.txt

server/conf/mail/db_quota_ok_notification_en.txt