#158 is_pik added

* adds model and form mixin for PIK
* integrates mixins for compensation, ema and ecoaccount
* adds migration files
* extends API
* extends API test data
* adds is_xy fields to compensation, ema and ecoaccount reports
* adds is_pik information to detail views
* adds/updates translations

api/tests/v1/get/test_api_get.py

@@ -122,6 +122,7 @@ class APIV1GetTestCase(BaseAPIV1TestCase):
             props = geojson["properties"]
             props["is_cef"]
             props["is_coherence_keeping"]
+            props["is_pik"]
             props["intervention"]
             props["intervention"]["id"]
             props["intervention"]["identifier"]