added gems for coveralls
update
fixed css error
Added an index page with descriptions.
Changed some coffeescript to take the table down.
fixed tests
last mods
Merge branch 'master' of https://github.com/wilchandler/exitslips into coveralls-rspec
Merge branch 'master' of https://github.com/wilchandler/exitslips into coveralls-rspec
deleted q/take route
Tables can now switch between mastery for an entire class and mastery of just one quiz.
Merge pull request #27 from wilchandler/section-quiz-results-table

Section quiz results table
Merge branch 'master' of https://github.com/wilchandler/exitslips into coveralls-rspec
Merge pull request #28 from wilchandler/grouping

Added rails JSON response to grouping request (with passing tests)
tiny