Merge pull request #2 from ignatio/master

Changed Shipsprite to only cause wrecks when disasters are enabled

src/micropolisj/engine/ShipSprite.java

@@ -118,10 +118,12 @@ public class ShipSprite extends Sprite
 			}
 		}
 		if (!found) {
+			if (!city.noDisasters) {
 			explodeSprite();
 			destroyTile(x/16, y/16);
 			}
 		}
+	}
 
 	boolean tryOther(int tile, int oldDir, int newDir)
 	{