working on lessons show. listing users via their ratings.  still showing duplicates
api work, json
Merge pull request #29 from n2diving/d3cleanup

D3cleanup
working on home page view and arrows
Merge pull request #31 from n2diving/frontendbranch

working on home page view and arrows
Fixed log-in link. Still working on activating Student/Instructor sign-up buttons
housekeeping