Implemented storage_traits
Implemented TensorMap using T* as model of Storage.
Implemented a TensorMap (and TensorConstMap) as a TensorView specification. Note the specialization of reference_wrapper for pointer wrapper infinite_sequence_adaptor.
Merge pull request #12 from BTAS/master

sync w BTAS/BTAS
Merge pull request #58 from evaleev/master

implemented TensorMap as a TensorView