Refactored the ContainsKey Stockpile check to its own method.
Refactored common code to get valid points around a foundation to EntityManager method.
Changed FoundationPlannerComponent to use int instead of bool to allow each foundation space to identify the entity it belongs to.
Added Pathwalker which walks along roads and returns all connected roads within the given distance.
Modified FindJobBehavior, it now only looks for jobs within a given distance.