Started teach wireframe for #16.
Mergin master into teach.
Quicksave.
Merge branch 'gh-pages' into teach
Adding teach links.
Working on #16.
Working on teach.
Merge branch 'gh-pages' into teach
Working on teach.
Merge branch 'foursquare' into teach
Working on teach.
Merge branch 'teach' into gh-pages
Rough MVP of teach section. Closes #16