resource fields: data_includes_urls data_includes_links
fix data_includes_uris fr label
compute openness based on new resource fields
Merge pull request #398 from wardi/master

4/5 star openness ratings based on resource fields
auto-split generated pd xls files
Merge pull request #399 from wardi/master

auto-split generated pd xls files
Merge remote-tracking branch 'upstream/master'