[ADD] ze_Infected_Sewers_v6_3

[$Money$]

ze_Infected_Sewers_v6_3
http://gamebanana.com/maps/194822

- 64 players spawn.
- 3 stages atm.
- Same boss for stage 2 and 3.
- Stage 3 boss have a RAGEMOD to make the stage more hard.
- Helicopter boss after first boss at stage 3.
- Lasers (humans must dodge it)
- 3 items for humans (flamethrower, minigun and pusher)
- 1 item for zombies (bloodsucker skin: +speed +hp for zombie)
- Custom particles.
- AdminRoom
- Custom room to choose some hide playerskins.
- Custom Overlays for round end.

[ZERO]

Will update after I finish the nav files for the rest of the maps.

It will take at least 2 hours+ to make a new nav file for the updated version of this map. I wonder if I can trick it into loading the 6.2 nav file and editing that. If so could save an hour or so of time.