Updating development tooling to be more generic

* Not assuming GCR is being used for image hosting
* Breaking out the dev environment bootstrapping from service starting

awx/api/views.py

@@ -140,7 +140,7 @@ class ApiRootView(APIView):
         v1 = reverse('api:api_v1_root_view', kwargs={'version': 'v1'})
         v2 = reverse('api:api_v2_root_view', kwargs={'version': 'v2'})
         data = dict(
-            description = _('Ansible Tower REST API'),
+            description = _('AWX REST API'),
             current_version = v2,
             available_versions = dict(v1 = v1, v2 = v2),
         )