Citation

[bbengfort]

Create citation handling for trinket, similar to the citation handling in NLTK

[bbengfort]

See #59 -- add meta data to the model to support the download of a citation.bib file.

[rebeccabilbro]

This ticket involves creating the content that would go into the citation file for a dataset, then creating a custom view to force that metadata down to the browser as a response to their request.

• [ ] create a class that loads the metadata for the dataset
• [ ] go into a bibliographic reference
• [ ] investigate .bib format
• [ ] create custom view to push that data down