Update .BI TLD definition

.BI TLD now has a WHOIS server.

See http://www.iana.org/domains/root/db/bi.html
Update .CF TLD definition

.CF TLD now has a WHOIS server.

See http://www.iana.org/domains/root/db/cf.html
Add comments about some upcoming TLD servers

These TLDs are still in the launch phase.
Debian changelog for 5.0.26
Update the .gd TLD server