remove post models
remove other Post references, other obsolete files
add server-side support for TreatmentPeriod models
add client-side treatment report support
add demo code for treatment periods
Added treatment period manager
Merge branch 'master' into add-treatment-periods

Conflicts:
	server/pace/admin.py
	server/pace/models.py
	server/pace/serializers.py
remove days with no points from rules graph
Rules Graph Filtering - Hacky

Assumes treatment periods are recorded in chronological order
Merge branch 'add-treatment-periods'
add client-side only logic to disable collect for users with multi-classroom access