Add translation support

Setting up translation support as specified here:

http://docs.openstack.org/infra/manual/creators.html#enabling-translation-infrastructure

Change-Id: I8eba01c24d4503f41ede4005c044144a9930e1cf
Closes-Bug: #1611479

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
+# .../dashboards/XYZ/static which will ensure
+# that plugins are also translated.
+[angular: **/static/**.html]

babel.cfg

@@ -1,2 +0,0 @@
-[python: **.py]
-

setup.cfg

@@ -16,8 +16,7 @@ classifier =
     Programming Language :: Python :: 2.7
 
 [files]
-packages =
-    searchlight_ui
+packages = searchlight_ui
 
 [build_sphinx]
 source-dir = doc/source
@@ -26,17 +25,3 @@ all_files = 1
 
 [upload_sphinx]
 upload-dir = doc/build/html
-
-[compile_catalog]
-directory = searchlight_ui/locale
-domain = searchlight-ui
-
-[update_catalog]
-domain = searchlight-ui
-output_dir = searchlight_ui/locale
-input_file = searchlight_ui/locale/searchlight-ui.pot
-
-[extract_messages]
-keywords = _ gettext ngettext l_ lazy_gettext
-mapping_file = babel.cfg
-output_file = searchlight_ui/locale/searchlight-ui.pot