Add ventrilo-info script from Marin Maržić.

http://seclists.org/nmap-dev/2012/q4/478
Typo.
Some doc changes in ventrilo-info.
Limit ventrilo-info to port 3784 (TCP or UDP).

Cf. r30460. We may want to run on more port numbers than just this one,
because the server can be configured to run on other ports. But we don't
want it to run for every open|filtered UDP port by default. We don't
ahve a good way to express anything in between.
Fix NSEDoc in http-vhosts.

Noticed by David Matousec.
http://seclists.org/nmap-dev/2013/q1/39
Remove unused pingtune and tcpqueryinfo structs.
Localize struct pingtech in scan_engine.cc.
Add .gitignore
Initial work on NNTP capability gathering.
Add google-search-appliance script.
Try disabling TLSv1 to get some SSLv3-only servers to work.
Optional matches are cheaper than empty alternative matches.
Some pending work, part 2.
Add HP iLO2 telnet match. Update HP iLO telnet match.
Add survivor remote agent (permission denied)
Remove unneeded Zimbra LMTP match line.
Update NNTP server matches.
Comment out nntp-capabilities for now.
Service probe for ESAWEB on z/VM
Add URI pop3d.