Created Directory App added to settings
Created the model structure for the directory
Fixed ForeignKey error in model
Did schemamigrations on directory model
Added initial unittest for Directory (TDD)
Added API url path to urls.py file
Created initial API file and structure
Registered App With Admin
Fixed error in model and did schemamigration
Wrote unittests for code.
Wrote the code for the API
Changed validation in models
Added comments to API
Added form validation to admin
Added extra tests to API
Changing comments for category
Changed validation Error for Sub Cat and content
Deleted django autogenerated test.py file
refactoring code for range(len())
Merge branch 'develop' into feature/issue-20-directory-initial_creation-json-api

Conflicts:
	ghr/settings.py
	ghr/urls.py