Venice addon

My entry into the "Real World Landmarks" contest. It supports all game types, but is best played with team game types with around 10-14 players. It is based on the canals of Venice, and they (the canals) are as accurately laid out as I could get them, given editor and level size restrictions. Unfortunately, some of the real-world accuracy was sacrificed for game play, namely, the positioning of the buildings. However, they only feel so from the editor view, as the placement was planned in such a way that balanced appearance, and framerate for the player.