ApiClient now looks for internalURL

instead of retrieving publicURL endpoint for freezer-api, the web ui
looks for the InternalURL to avoid https issues

Change-Id: I2e655c81558c9b382c355927b69116a6c13a455f

freezer_ui/api/api.py

@@ -62,7 +62,7 @@ def get_service_url(request):
     for c in catalog:
         if c['name'] == 'freezer':
             for e in c['endpoints']:
-                return e['publicURL']
+                return e['internalURL']
     else:
         return get_hardcoded_url()