Evaluate / implement? Data Protocols packaging format

[gothub]

Evaluate the data packaging format specified a http://dataprotocols.org/data-packages and describe http://data.okfn.org/doc/data-package, and implement parsing / serialization if appropriate. This issue was first raised by scls19fr here: https://github.com/ropensci/datapackage/issues/39

[s-celles]

Some datapackage tools are given at http://data.okfn.org/tools