Adding minio-hash with streaming crypto hashes
Adding md5, sha256, sha512 to Makefile
Merge pull request #142 from fkautz/pr_out_adding_minio_hash_with_streaming_crypto_hashes
Adding minio-hash to install via Makefile
Merge pull request #144 from fkautz/pr_out_adding_minio_hash_to_install_via_makefile
Implement md5c function, slower than Golang's implementation
keeping it in repo to make further improvements and also rename

        minio-hash ---> crypto
Merge pull request #145 from harshavardhana/pr_out_implement_md5c_function_slower_than_golang_s_implementation_keeping_it_in_repo_to_make_further_improvements_and_also_rename