fix to waves not ending properly due to random API changes (thanks valve)

fixed the game mcfucking crashing thanks valve etc

added mayhem countdown UI
fixed kobolds being in test mode and only spawning two overseers.

Difficulty increases nerfs ward vision
Troll Warlord shows up round 2 now, but less units are spawned round 2
Ogre wave has less spawns and Troll Warlord was removed.
reduced overall spawn rate and/or spawn count of horde waves

increased difficulty scaling (+40%->+50% hp, +25%->+30% attack speed, +10%->+15% attack damage)
increased ward vision to 2400

1 less tiny boss spawns

reduced rocket flare damage on clock round
reduced health of droids
reduced spawn rates of early waves

UI improvements for difficulty
FoW should work for enemies now, neutrals unfortunately have global vision and i can't do anything about that, so the workarounds might be a lil jank we'll see
enemy abilities now start on cooldown

mayhem fixed fr fr

changed table references to static value, should fix mayhem?