Use Eventbrite API to populate workshop information

NOTE: The event description relies on the explanation of the workshop content
being wrapped in an element with an id of "#what-will-i-learn" so that we're not
pulling the entire description, which is an FAQ.
Set up Travis CI
About purpose content
About photos
Contacts and Links to other sites
unused style
deleted commented style
too late for BEM
Max width
pretty URLs
Relative paths
PR
Civility policy