PR#1699: remove references to PythonOption

Merges #1699
https://pagure.io/koji/pull-request/1699

hub/kojixmlrpc.py

@@ -383,7 +383,10 @@ def load_config(environ):
     """Load configuration options
 
     Options are read from a config file. The config file location is
-    controlled by the PythonOption ConfigFile in the httpd config.
+    controlled by the koji.hub.ConfigFile environment variable
+    in the httpd config. To override this (for example):
+
+      SetEnv koji.hub.ConfigFile /home/developer/koji/hub/hub.conf
 
     Backwards compatibility:
         - if ConfigFile is not set, opts are loaded from http config

www/kojiweb/wsgi_publisher.py

@@ -117,7 +117,11 @@ class Dispatcher(object):
     def load_config(self, environ):
         """Load configuration options
 
-        Options are read from a config file.
+        Options are read from a kojiweb config file. To override the
+        configuration file location, use the SetEnv Apache directive. For
+        example:
+
+          SetEnv koji.web.ConfigFile /home/developer/koji/www/conf/web.conf
 
         Backwards compatibility:
             - if ConfigFile is not set, opts are loaded from http config