Refactoring

* renames model ResponsibilityData into Responsibility
* renames model LegalData into Legal
* moves form->object saving logic into model
* refactors NewDocumentForm into special types for intervention, compensation, eco account and ema
*

ema/tests/test_views.py

@@ -11,7 +11,7 @@ from django.test.client import Client
 
 from compensation.tests.test_views import CompensationViewTestCase
 from ema.models import Ema
-from intervention.models import ResponsibilityData
+from intervention.models import Responsibility
 from konova.models import Geometry
 from konova.settings import DEFAULT_GROUP, ETS_GROUP
 from user.models import UserActionLogEntry, UserAction
@@ -66,7 +66,7 @@ class EmaViewTestCase(CompensationViewTestCase):
             action=UserAction.CREATED,
         )
         # Create responsible data object
-        responsibility_data = ResponsibilityData.objects.create()
+        responsibility_data = Responsibility.objects.create()
         geometry = Geometry.objects.create()
         cls.ema = Ema.objects.create(
             identifier="TEST",