Some changes to navmesh path finding, disabled waypoint nav interface for now, might keep it disabled (i don't think anyones using it anyway) added a rule that might need some fine tuning for navmesh pathfinding

zone/pathfinder_null.h

@@ -9,6 +9,7 @@ public:
 	virtual ~PathfinderNull() { }
 
 	virtual IPath FindRoute(const glm::vec3 &start, const glm::vec3 &end, bool &partial, bool &stuck, int flags = PathingNotDisabled);
+	virtual IPath FindPath(const glm::vec3 &start, const glm::vec3 &end, bool &partial, bool &stuck, const PathfinderOptions& opts);
 	virtual glm::vec3 GetRandomLocation(const glm::vec3 &start);
 	virtual void DebugCommand(Client *c, const Seperator *sep) { }
 };