Adding page for NESCent workshop, 5/16-5/17.
Forgot to add index.html.
NESCent: fixing anchor links.
NESCent: removing unused home anchor link.
NESCent: fixing gapminder link.
NESCent: toning down the headers a little bit.
Adding page for Duke workshop.
Duke: clarifying address.
Adding link to google doc.
Linkifying.
Updating NESCent day 2 schedule.
Updated Repo link to point to a branch for UMass's bootcamp
Change default markdown parser used by Jekyll.

The default maruku parser has an issue with nested lists;
see https://github.com/bhollis/maruku/issues/64 for details.
Using the rdiscount parser instead worked for the Oxford DTC boot camp.
Change markdown parser to redcarpet as suggested by Aron.
Merge branch 'nested-lists-fix' of github.com:jonc125/boot-camps into nested-lists-fix