Info relays Quetzal

Wave start relays:
wave_start_relay:	Invasion MvM
wave_start_relay_ironman:	Endurance MvM (Bomb has 60 second reset timer)

Wave finish relays:
wave_finished_relay:			Standard wave end, front upgrade station reopens

endurance_station_open:		Opens the front upgrade station, useful for endurance waves
endurnce_station_close:		Closes the front upgrade station

Spawnpoints:
spawnbot:				Main spawnpoint
spawnbot_flank:				Building spawnpoint
spawnbot_invasion:			Both spawnpoints for chaos

tank_path_a1:				Starting node for tanks that spawns in the barricaded tunnel (breaks front barricade)
tank_path_b1:				Starting node for tanks that spawns from the building (breaks hatch barricade)