Add important testing gems
Clean up/delete code
Add tests for all the models
Add capybara specs
beef up group controller specs
add tests for membership controller
clean up specs
test memberships controller
try to fix capybara
Remove unnecessary form tags in our html that confused tack-test
remove comments
remove form tags
remove unnecessary tests
instance variable ---> let statement
Merge pull request #198 from rubycorns/testing-branch

Testing branch by @berlintam
Order groups by name
Alrightey order people
Merge pull request #201 from rubycorns/order-groups

Order groups and students by name
make groups only deletable by admins
add test for non-admin deleting group