The EventBrite key for one particular bootcamp was hardwired into the included file.
This is definitely not a good idea, so this emergency fix switches back to a variable.
Merge branch 'gh-pages' of github.com:swcarpentry/bc into gh-pages
Merge branch 'gh-pages' of https://github.com/swcarpentry/bc into gh-pages
Adds tentative roles to instructors