Fix discharge test; add placeholder test

refs openhealthcare/elcid#307
Add future filter
Add OPAT discharge controller and modal refs #214
Merging flow into OPAT
WIP adding patients to OPAT service
Allow patients to be added to OPAT.
Some minor tweaks to other date formatting.
No import inpatient.
Make change password forms consistent with UX refs openhealthcare/elcid#336
Merging extract
Set category of new episodes
Merging research
Allow for list items to be batched together
Remove all tag, refactoring, some CSS improvements. refs #213
Fixes tests
Fix Javascript tests
Allow users to view observations, register javascript in the main OPAL namespace. refs openhealthcare/elcid#387
Fix tagging bugs for opat admissions
Fix OPAT discharge and referrals
Disable logout
Merge pull request #244 from openhealthcare/307-discharge-test

Fix discharge test; add placeholder test
Set min date for discharge - e.g. not before admission. refs openhealthcare/elcid#349