cf → neighbor_search Relation

File in mlpack/src/mlpack/methods/cf	Includes file in mlpack/src/mlpack/methods/neighbor_search
cf.hpp	neighbor_search.hpp
neighbor_search_policies / cosine_search.hpp	neighbor_search.hpp
neighbor_search_policies / lmetric_search.hpp	neighbor_search.hpp
neighbor_search_policies / pearson_search.hpp	neighbor_search.hpp