Multi Stage Deadline a6test

-testing cover from stage 2 flank path
-testing -30% cart speed on finale rollback (from 40%)

-Reduced rollback speed penalty on stage 3 to (hopefully) reduce stalemates
-Clipped stage 3 cliffs to prevent weird spots
-Fixed stage 2 carts being above cart track
-Extended stage 2 down ramp by 48 units
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-returned setup time
-changed upper route on stage 2 to benefit attackers more
-remove respawn timer bug on stage 2

Ditto

-changed stage 1 cave route

-2nd stage head start increased
-2nd stage rollback increased by 25%
-3rd stage now has foward spawns for when the cart reaches the lower level
-added more ammo in general for spies
-reduced setup time to 10 seconds (from 45)
-increased size of sniper deck on stage 2
-testing comeback mechanic on stage 2 when the cart breaches a certain threshold

-added slowdown to rollback zones
-removed 2nd crisscross on stage 3 (carts now stay on enemy side)
-added more health to stage 1

-adjusted some broken blockbullet transparency
-added extra ammo for setup on stage 1
-fixed some area portals
-fixed some vis nodraw
-reduced respawnwavetime on stage 3 from 4 to 3