Log

* adds modal_generic.html template for generic usage
* adds M2M field log to BaseObject
* adds show log button to controls.html
* adds logging on adding related objects
* adds render log table using generic modal
* adds tooltip to missing values in detail views
* adds/updates translations

compensation/urls.py

@@ -15,6 +15,7 @@ urlpatterns = [
     path("", index_view, name="index"),
     path('new', new_view, name='new'),
     path('<id>', open_view, name='open'),
+    path('<id>/log', log_view, name='log'),
     path('<id>/edit', edit_view, name='edit'),
     path('<id>/remove', remove_view, name='remove'),
     path('<id>/state/new', state_new_view, name='new-state'),