Use configuration instead of environment to determine use of SSL for OAuth
Change MIME type for DICOM files to application/dicom
Only look for unexpired tokens in auth cache
Generalize support for loading an imaging study into a record
Update record timestamp when saving imaging study to force page out of cache
Require necessary oauth component
Tweaked image study formatting on record page
Remove test for download of single DICOM image, not currently supported
Show both html and data links for image studies
Made test indifferent to local config files