startapp users
added UserDistrict model
did schemamigration for user district
added admin for user district
registered views with model
updated list display for user district admin
added filtering for schools in hierarchy
added queryset filtering for admin
adding text fixtures to users
made the initial unittests
created initial district_id filtering unittests
Working on unittests for users
Merge branch 'develop' into feature/issue-42-Information-in-Data-app-filtered-by-district_id

Conflicts:
	data/admin.py
	hierarchy/admin.py
added fixtures for unittests
wrote unittests for admin
deleted leftover print statements
added updated fixtures for unittests
added code for filtering by district_id
deleting redundant files
added shared filter function t utils.py