Use flow for adding patients from list view. refs #214
Use flow for discharging patients from list view. refs #214
use flow in search results and detail view. refs #214
Update tests to pass with new flow refs #214
Add untittests for Flow service. refs #214
Allow patients to be accepted or rejected from the OPAT service
refs openhealthcare/elcid#193
Add future filter
Add OPAT discharge controller and modal refs #214
Merging flow into OPAT