Useful Links:
[Gist for retrieving OSF data from Elasticsearch]( https://gist.github.com/fabianvf/4164749c838b2bca2b52)
[Search API Docs](http://lucene.apache.org/core/2_9_4/queryparsersyntax.html)
[Elasticsearch DSL for Aggregations](http://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations.html)
[Gist for retrieving OSF data for graphs](https://gist.github.com/fabianvf/a1c77122d60556b70660)