Zeus Utils - Initial and add Zeus FPS tracker

[lambdatiger]

This adds a Zeus Utils addon and the initial version of a Zeus FPS tracker.

Tracker Features

• Mission enable (default off) CBA setting - Enabling the FPS collection/sending
• Client enable (default on) CBA setting - whether the client should send it's FPS info
  • FPS is a moving average over the course of 5 seconds and can be sent every 3 to 90 seconds (default every 5)
  • Clients update server with their FPS
• Server sends FPS hash map to Zanes who have requested to receive updates.
  • Updates go out at a rate of 1/3 Hz (once every 3 seconds)
• Zeus can toggle receiving updates and has a few settings to configure display.
  • Zeus can decide if FPS above a threshold should be shown.
  • Zeus can configure low FPS threshold and low FPS font color with CBA settings

[lambdatiger]

I'm unsure how well this scales, but I think because we can turn it off as it is, we should at least be able to turn it off if it's causing issues live.

Feature feedback also desired.