Make sure falafel theme is somewhat available by default

tailbone/config.py

@@ -48,6 +48,9 @@ class ConfigExtension(BaseExtension):
         Session.configure(rattail_config=config)
         configure_session(config, Session)
 
+        # provide default theme selection
+        config.setdefault('tailbone', 'themes', 'default, falafel')
+
 
 def expose_vuejs_experiments(config):
     return config.getbool('tailbone', 'expose_vuejs_experiments',

tailbone/subscribers.py

@@ -115,8 +115,10 @@ def before_render(event):
                                                        default=False)
         renderer_globals['expose_theme_picker'] = expose_picker
         if expose_picker:
+            # tailbone's config extension provides a default theme selection,
+            # so the default we specify here *probably* should not matter
             available = request.rattail_config.getlist('tailbone', 'themes',
-                                                       default=['bobcat'])
+                                                       default=['falafel'])
             if 'default' not in available:
                 available.insert(0, 'default')
             options = [tags.Option(theme) for theme in available]