Add 2 geojson geo data packages

@rgrp, not sure if this is [what you had in mind](https://github.com/okfn/data.okfn.org/issues/64#issuecomment-45409132). For inline code examples (which I think we need), I am waiting to see [what gets to be the recommended way](in https://github.com/dataprotocols/dataprotocols/issues/86) to describe a `geojson` resource in `datapackage.json`.