Add pending specs for adding an exercise
Complete happy path test
Add exercise model & table
Add model spec for Exercise
Add role to user table
Add sign in helper
Add route, factory, controller; need to complete view
Change description to text field
Add new exercise form
Move flash messages below navbar
Add admin::exercises#create action
Add test for missing attributes
Add test for providing non-unique name
Add test for non-admin
Render 404 if user isn't admin
Fix authorize_admin method
Fix exercise spec to deal w/ uniqueness test
Modify 404 spec to test for missing page message
Merge pull request #6 from hchood/admin-adds-exercise

Admin adds exercise