add cohort model tests, they are now passing
Merge branch 'master' of https://github.com/sarahjanebland/cohesion
Merge branch 'master' of https://github.com/sarahjanebland/cohesion
Merge branch 'master' of https://github.com/sarahjanebland/cohesion
fixed bug with nil class
guardfile
Merge branch 'master' of https://github.com/sarahjanebland/cohesion
removed unecessary comments from spec helper
included Factory Girl syntax methods
guardfile fix
guardfile remove conflict
removed bugs from cohort spec
Merge branch 'master' of github.com:sarahjanebland/cohesion
removed unecessary specs
removed nil value from admin factory
added validations to provider model
removed extraneous code from cohort spec
added uniqueness validation to cohort model fields
changed start_date to date
added date validation spec