Buyable Stations Mod

This is a new ODF modification that allows for station purchasing in skirmish and multiplayer modes. This mod has been tested with AI and will work with AI.
All ODFs made by the Legacy dev team, small changes by me. This mod will enable purcahsing certain stations for all 4 races. Purchase sensors for better vision across the map. Purchase Starbases for a little spawnpoint defense. Purchase Turrets f