Resolve "New data structure for storing stateblocks"

Closes #256 (closed)

include/core/landmark/landmark_base.h

@@ -28,7 +28,7 @@ class LandmarkBase : public NodeBase, public HasStateBlocks, public std::enable_
     private:
         MapBaseWPtr map_ptr_;
         FactorBasePtrList constrained_by_list_;
-        std::vector<StateBlockPtr> state_block_vec_; ///< vector of state blocks, in the order P, O.
+        std::vector<StateBlockPtr> state_block_vec_; ///< vector of state blocks, additional to those in the state_block_map from HasStateBlocks.
 
         static unsigned int landmark_id_count_;