Fix 1 and 2 octects in-addr.arpa queries

Queries like 85.in-addr.arpa and 94.85.in-addr.arpa were directed
to the wrong server.
Add in_domain() to check if the argument is a subdomain
Convert is_new_gtld() to in_domain()
Convert convert_inaddr() to in_domain()
Convert queryformat() to in_domain()
Split nic_handles_list off tld_serv_list

To be able to use in_domain() for tld_serv_list
Convert tld_serv_list to in_domain()
Remove obsolete entries from ripe_servers[]
Ask whois.iana.org about TLDs

Recognize as a TLD any string without dots present in tld_serv_list
and new_gtlds_list.
Rename domcmp() in endstrcaseeq() and rewrite it

Rewrite it to use the same code of in_domain().
Add the charset for whois.domain.kg
fix the validation regexp in make_new_gtlds.pl
Update the list of new gTLDs
Update TLD servers: gq mz
Update the policy version
Add the missing Language headers in some PO files
Debian changelog for 5.2.1