v1.4 Update

Avatars:

• New Avatar: Paratrooper.
  

Maps:

• New Map - Military Airport：Will support Team Deathmatch, and FFA.
  

Weapons:

• New mechanism: Disable gun shooting when player hold gun through the wall.
  
• New Sniper Rifle: Mosin-Nagant M91.
  
• New LMG: DP-27.
  

Server Region:

• New Available Server Region: Russia.
  

Others:

• Fixed bugs.