Mention configuration reloading in TODO. Closes #37

TODO.txt

@@ -60,6 +60,8 @@
    - Organize processes by group and allow groups to be started/stopped.
    
    - Allow a supervisorctl-like command line through the web interface.
+   
+   - Consider configuration reloading options (see issue #37 for more).
 
    - Display more information about Supervisor (identification, pid, etc.)