Flathud 3.1

Changelog:
-Fully updated for Matchmaking (at time of this writing)
-Added watch streams button
-Created uniform styling for main menu context buttons (contracts, streams, alerts, motd)
-Tons of bugfixes
-Deleted files relating to a now-unsupported hud management program

This release also functions as a release point on github.

Thanks for using flathud,

flatline