Fix requisition bootstrapping for tests
Make sms processing for req's at least run
Merge branch 'commtrack-makethehurtingstop' into fix-requisitions
Start cleaning up requisition models

Things that weren't being called anywhere were just deleted, others were
flagged with a `NotImplementedError` that will hopefully help catch
issues for now.
Rename a method to reduce confusion

create_requisition was/is used in other requisition
stuff so wanted to make an actual distinction here in case
the other stays
Kill no longer relevant tests
Test for fulfilling requisition
Merge branch 'commtrack-makethehurtingstop' into fix-requisitions

Conflicts:
	corehq/apps/commtrack/tests/__init__.py
Revert "Make sms processing for req's at least run"

This reverts commit c53e3a6d4b5e8ccaf937714037eadafbf85bdb21.
Fix action types
Merge pull request #2209 from dimagi/fix-requisitions

Requisitions work