* develop-olympus:
[ticket/9992] Clarify explanations of ip and account limits on login
[ticket/9992] Add a comma to language for IP_LOGIN_LIMIT_MAX_EXPLAIN
[ticket/9992] Use sql_fetchfield for single row and single column result
[ticket/9992] Adding a limit on login attempts per IP.
[ticket/9992] Make sql_create_table and sql_table_exists available in updater