* separate part of ERC721Mintable into ERC721MetadataMintable * remove mint and burn from 721 tests * Fixed linter error. * fix ERC721 mint tests * Minor fixes.
* turn off blank-lines rule * remove triple newlines
* Split enumerable and metadata implementations. * Renamed ERC721Basic to ERC721, and ERC721 to ERC721Full. * Fixed linter errors.