ipinfo.cgi: Add flag icon and IP reputational URL's.
* Use the GeoIP backend to obtain the country code of the given
IP-address and to display the flag icon and country name, when
moving the mouse pointer over the flag icon.
* Add various URL (IPVoid, Virustotal and MultiRBL) for gaining
reputational informations for the given IP-address.
Signed-off-by: Michael Horace <horace.michael@gmx.com> Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>