Split the nature scraper

[Daniel Zoller]

• one scraper for http://www.nature.com/ncomms/journal/v3/n10/full/ncomms2132.html (using RIS)
• one for http://www.nature.com/nrn/journal/v18/n1/full/nrn.2016.150.html (using RIS)
• one for http://www.nature.com/news/online-collaboration-scientists-and-the-social-network-1.15711
• …

please also identify other sites of nature

[Daniel Zoller]

thx