Add tool citations for tools in GalDrive paper and citations for paper itself.

None of it is working yet because the paper is to new I think, once whatever magic happens to cause GalDrive DOI to return a BibTeX entry from the DOI->BibTeX web service this should all just work (slightly older biorxiv yield BibTeX entries).
Merge pull request #1 from jmchilton/citation_support

Add tool citations for tools in GalDrive paper and citations for paper itself.