Cohort resource added to routes
Cohort controller
Cohort views
Move 'Phase 0 App' to header
Root and redirect after authentication updated
Cohorts list in sidebar in application layout
Style update
List students on Cohort#show
Add admin to users
Prevent admins from appearing in Cohort#show student list
Merge pull request #7 from toreyhickman/cohort

Basic cohort pages