Mention issue #34 in TODO

TODO.txt

@@ -53,11 +53,11 @@
 
    - Unit tests for meld classes and ui server.
 
-   - Meta-refresh on tail page.
-
-   - Organize processes by group and allow groups to be started/stopped.
+   - Meta-refresh on tail page.  See also issue #34 for more on tail.
 
    - Support operations against both stderr and stdout logs.
+
+   - Organize processes by group and allow groups to be started/stopped.
    
    - Allow a supervisorctl-like command line through the web interface.