Replaced default_app_config variable by module config to locate the

AppConfig object

dav_base/config/modules.py

@@ -19,6 +19,7 @@ class ModuleMeta:
 
     def __init__(self, package_name):
         self._package_name = package_name
+        self._app_config = None
         self._additional_apps = []
         self._url_prefix = None
         self._load_from_package()
@@ -28,9 +29,19 @@ class ModuleMeta:
         return t
 
     @property
-    def app(self):
+    def package(self):
         return self._package_name
 
+    @property
+    def app(self):
+        if self._app_config:
+            app = self._app_config
+            if app.startswith('.'):
+                app = self._package_name + app
+        else:
+            app = self._package_name
+        return app
+
     @property
     def additional_apps(self):
         return self._additional_apps
@@ -61,6 +72,7 @@ class ModuleMeta:
 
     def load_from_dict(self, meta_dict):
         self._package_name = meta_dict.get('package', None)
+        self._app_config = meta_dict.get('app_config', None)
         self._additional_apps = meta_dict.get('additional_apps', [])
         self._url_prefix = meta_dict.get('url_prefix', None)
 
@@ -68,6 +80,8 @@ class ModuleMeta:
         d = {
             'package': self._package_name,
         }
+        if self._app_config:
+            d['app_config'] = self._app_config
         if self._additional_apps:
             d['additional_apps'] = self._additional_apps
         if self._url_prefix: