instance where boosts were not weighted by course credits (rather by enrollment counts)
Only affects Balt, theoretically
Fixed division by 0 error sentry 33944275
Merge branch 'master' of bsc_do:/opt/schooldriver.org

Conflicts:
	ecwsp/grades/models.py
Fixed Invalid literal for Decimal: u'P' due to using incorrect
Decimal(enrollment.grade) instead of numeric_grade
new simple import version
Fix typo that allowed only superusers to access scaffold reports
Fix Postgres detection for multi-tenant (Baltimore GPAs)
Merge branch 'master' of https://github.com/burke-software/django-sis into develop
Updated course api and course angular view
Merge branch 'develop' of https://github.com/burke-software/django-sis into develop