More Greycite features

A few more small updates to report:

References

  1. "Wikipedia", Wikipedia, 2016. http://wikipedia.org/
  2. "YouTube", YouTubehttp://youtube.com/
  3. " figshare - credit for all your research ", figsharehttp://figshare.com/
  4. "arXiv.org e-Print archive", arXiv.orghttp://arxiv.org/