If db server is now a webserver, explode list of db_servers and choose first of list.

- fixed escaping in lists

- no entities on wordbook entries

- Fixed #4893 Stored XSS issue in email name field

Fix issue when DNS zone import fails silently with OK message if $TTL is missing from the input file because TTL can not be null when saving SOA to database.
Solution: if TTL is null then simply set it to 1 day - 86400 seconds (as per RFC 1912 recommendations).
I encountered few services that export a dns zone without global ttl set (ex: GoDaddy).

return xmpp servers