Adds support for overrides.json
merge branch 'master' of https://github.com/krdyke/OGP-metadata-py
Merge branch 'master' into solr
Merge remote-tracking branch 'borchert/solr' into solr
changes to either output zip OR files, never both. Also replaces indirectLinks with externalLink and externalDownload
Merge branch 'master' into solr
Fleshes out ogp2solr functionality. Adds test_solr.py