Prule.daemon: Add 1 second waiting for threads

prule/daemon/__main__.py

@@ -1178,12 +1178,12 @@ if __name__ == "__main__":
     # wait for threads
     try:
         if cc_thread.is_alive():
-            cc_thread.join()
+            cc_thread.join(1)
     except:
         pass
     try:
         if prule_thread.is_alive():
-            prule_thread.join()
+            prule_thread.join(1)
     except:
         pass