[OES-430] - fix protected file view access in authitems
[OE-4230] fix click away for cvi status
+ [OE-4506] set a default value for episode start_date
+ [OE-4506] suppress legacy episode start date
[OE-4230] fixed clickaway on Other ophthalmic diagnoses
+ [OES-437] make drug search case insensitive
Pad hosnum in PatientService search.
+ [OES-442] let the delete command exception cascade up and allow zero row deletes for many many.
@examination Left/Right RAPD & Colour Vision tests
+ [OES-460] API will pull in patient from PAS if not found in the db.
Merge branch 'release/1.7' into release/orbis-r2

Conflicts:
	protected/services/PatientService.php