Recording data

* adds dynamic icon for recording and unrecording of data
* adds record view to intervention and eco accounts
* adds quality_check() method for Intervention and EcoAccount class which holds logic for data quality checking
* adds UserAction "unrecorded"

konova/utils/message_templates.py

@@ -9,3 +9,4 @@ from django.utils.translation import gettext_lazy as _
 
 
 FORM_INVALID = _("There was an error on this form.")
+INTERVENTION_INVALID = _("There are errors in this intervention.")