Implement new spawn tooltips in RA and d2k.
Remove legacy tooltip code.
Rename Ping -> Latency.
Adjust latency thresholds and add text description.
save client IpAddress for later
Add client tooltips showing Admin/IP/Latency.
Merge pull request #3164 from pchote/lobby-tooltips

New/Improved lobby tooltips which show IP, admin status and explain ping.