Add bare-bones text adventure project. Should probably put some more criteria on this, including tests.
Concepts like JSON, ActiveRecord, and Sinatra were originally a little early for class. I'm moving it into a file to add back in when those sections get added later in the flow.
rename week 3 overview.
Added spotlight and blog topics.
Added extra credit to week 3.
Add error driven development and debugging section.
Begin week 4, start RubyGems lesson.