Merge remote-tracking branch 'origin/louder' into test-letstest-all-changes

tests/letstest/multitester.py

@@ -552,9 +552,14 @@ def main():
         # add SENTINELs to end client processes
         for i in range(num_processes):
             inqueue.put(SENTINEL)
-        # wait on termination of client processes
+        print('Waiting on client processes', end='')
         for p in jobs:
-            p.join()
+            while p.is_alive():
+                p.join(5 * 60)
+                # Regularly print output to keep Travis happy
+                print('.', end='')
+                sys.stdout.flush()
+        print()
         # add SENTINEL to output queue
         outqueue.put(SENTINEL)