Set Racer scheme turn time to 90 to match Racer script's

GameServer: Hide saveroom and loadroom command in non-official server Because those commands only work with OFFICIAL_SERVER

Remove accidental air mines in official racer challenges

Update game schemes in racer.yaml to re-enable invuln in Racer

Update changelog

Racer, TechRacer: Mask taunts like Stupid when track was completed successfully

Racer: Fix ammo delay confusion if gfKing or gfPlaceHog were set

Racer, TechRacer: Force-disable several bad game flags

Set crate probability to 0 in Racer game scheme

Racer: Make winners invulnerable

Racer: Fix hog taking damage skipping turn of next team

Racer: Disable other ammos in waypoint placement phase

Racer: Make sure the waypoint placer always has 0 delay

Racer: Clean up comments

save data for blocks with more than a single component

Set dX to zero in hedgehog walk routine to prevent unexpected changes in X coordinate in certain conditions

add wind to physics processor

implement iteration with tags

Fix build

Prevent AI from flooding +L/+R messages

Set dX sign early so jump calculations always get correct value

remove winutils

allow registering zero-sized types

Change credits for Hungarian translator

Allow playing Racer without invulnerability

ignore overflow in point norm computation

avoid time multiplication when not skipping ticks

remove velocity check