[OE-4623] Added "mode" state to Gonioscopy obiect.
Fix for preventing errors when control fields don't have the correct form markup to show validation errors.
Merge remote-tracking branch 'origin/develop' into feature/glaucoma-2.1

Conflicts:
	assets/js/dist/eyedraw.min.js
	assets/js/dist/oe-eyedraw.js
	assets/js/dist/oe-eyedraw.min.js
	src/ED/Views/templates.js
Added TrabyFlap icon
Merge branch 'feature/glaucoma-2.1' of github.com:openeyes/eyedraw into feature/glaucoma-2.1

Conflicts:
	assets/js/dist/eyedraw.min.js
	assets/js/dist/oe-eyedraw.js
	assets/js/dist/oe-eyedraw.min.js
	src/ED/Views/templates.js