Consolidate migrations.
Tidy up model classes.
Update visual fields service with latest conventions.
Update for new BETC interface.
Formatting.
PHP doesn't have keyword arguments.
Fix legacy import.
Fix mime type.
[OE-4190] Visual fields episode summary.
Fix method signature
Fix method sig
Re-formatting.
POC: mousewheel scrolling on visual field images
Latest changes to fix pattern/strategies and fix patient joins for viewing images.
Merge branch 'develop' into feature/field-ocr