Complete unit tests and model setup
specs for admin creating, viewing, editing, and deleting cohort
Add validations for presence of required associations
added students and group content to cohort show page spec
added cohort id to edit_cohort_path
added user story info and edited per Erics suggestions
Add tests for presence_of association validations
Merge pull request #2 from TechnoAlchemist/models

Complete unit tests and model setup
added delete and edit user stories
merged conflicts
added spec for viewing cohort show page and merged models
controller created
tests are green without authentication and signin functionality commented out
incorporated Erics edits
Merge pull request #3 from TechnoAlchemist/cohort

specs for admin creating, viewing, editing, and deleting cohort
Merge branch 'master' into add_project_test

Conflicts:
	spec/support/factories.rb
only four failing tests remainj
three failing tests left
all tests are green