reduce the score of map3

a big update

v9:
Replaced with better scripts (almost no network usage)
Fixed known nav issues
m3:
A hole was dug in the parking lot and 5% of the road was cut off

v8 update:
m1:
cut 15% distance.
rebuild some scenes.
m2:
reduced the height of some buildings.
m3:
rebuild the park.
cut 15% distance.
m4:
limite the horde from 3 to 2.
sealed the container at the finale site.
rebuild rebuild some scenes.

v8 update:
m1:
cut 15% distance.
rebuild some scenes.
m2:
reduced the height of some buildings.
m3:
rebuild the park.
cut 15% distance.
m4:
limite the horde from 3 to 2.
sealed the container at the finale site.

added to zonemod map pool.
added a way for tank in m2 building.
change some level scores.

fix the missing textures.