ZPlague V1.2.3.0

- Now there is a chat where you can type;
*Chat also shows when player kills or infect other player.
- Now you can talk by voice, which a 2d sound(global), and mute other players voice on game menu;
- Upgraded select map menu;
- Now we have blood decals on arena;
- Changed the way that recoil works;
*Now it is centralized.