create exercise controller tests
middle of user controller test
update schema diagram and xml to reflect latest data decisions
correct typos in migrations (t.references takes singular name)
remade model associations and updated migrations
create user controller tests
complete controller tests
complete tests for exercise history controller
Merge pull request #16 from ahardy55/exercise-controller-test

create exercise controller tests
Merge pull request #18 from ahardy55/schema

Merging exercise and controller tests
Merge pull request #19 from ahardy55/rspec

Merging tests for exercise controllers and user controllers/remodeling of the database
fixing merge conflicts