commands.process: return immediately when terminating process, without having to deal with the queue.

otherwise, we have to block for $smalldelay between putting and getting the item, since queue putting is not instantaneous
and sometimes we would get 'nothing returned' instead of the timeout message.

src/commands.py

@@ -90,7 +90,7 @@ def process(f, *args, **kwargs):
     p.join(timeout)
     if p.is_alive():
         p.terminate()
-        q.put("%s aborted due to timeout." % (p.name,))
+        return "%s aborted due to timeout." % (p.name,)
     try:
         v = q.get(block=False)
     except Queue.Empty: