Add translation settings for Django project.

According to project creator’s guide,
this commit add followings.

- babel-django.cfg
- babel-djangojs.cfg

Change-Id: I307e8f2bb149e76c71d252e305f4418006121088

babel-django.cfg

@@ -0,0 +1,6 @@
+[extractors]
+django = django_babel.extract:extract_django
+
+[python: **.py]
+[django: **/templates/**.html]
+[django: **/templates/**.csv]

babel-djangojs.cfg

@@ -0,0 +1,14 @@
+[extractors]
+# We use a custom extractor to find translatable strings in AngularJS
+# templates. The extractor is included in horizon.utils for now.
+# See http://babel.pocoo.org/docs/messages/#referencing-extraction-methods for
+# details on how this works.
+angular = horizon.utils.babel_extract_angular:extract_angular
+
+[javascript: **.js]
+
+# We need to look into all static folders for HTML files.
+# The **/static ensures that we also search within
+# /openstack_dashboard/dashboards/XYZ/static which will ensure
+# that plugins are also translated.
+[angular: **/static/**.html]