Initial course sections
Merge branch 'develop' of https://github.com/burke-software/django-sis into course_sections
Adjusted admin for course sections
Added is_primary to teachers
Made some progress on course sections
More conversion
Merge branch 'develop' of https://github.com/burke-software/django-sis into course_sections

Conflicts:
	ecwsp/attendance/views.py
	ecwsp/schedule/models.py
added markdown and djangorestframework to install requirements
added rest_framework and api apps to INSTALLED_APPS
added the api routing URL
added the GradeSerializer
added the Grade API view
routed the GradeViewSet to '/api/grades'
__init__ to __win_it__
only admins should be able to see grades
added the login/logout urls to the browsable API
More grade section migration
Merge branch 'develop' of https://github.com/burke-software/django-sis into course_sections

Conflicts:
	ecwsp/sis/scaffold_reports.py
more sections
Merge branch 'develop' of https://github.com/burke-software/django-sis into course_sections

Conflicts:
	ecwsp/schedule/models.py