[OE-5214] added description field to finding assignments configurable on a per-item basis in the admin
Merge branch 'jira/OE-5214' into feature/glaucoma-2.1

Conflicts:
	controllers/AdminController.php
	models/Element_OphCiExamination_FurtherFindings.php
	models/OphCiExamination_FurtherFindings.php
	models/OphCiExamination_FurtherFindings_Assignment.php
	views/default/form_Element_OphCiExamination_FurtherFindings.php