make refresh call sync function to wait action finish

Change-Id: I3c67b110d572ff6a4fc80250214790e82362a7ed

bin/refresh.sh

@@ -2,7 +2,7 @@
 set -e
 service mysqld restart
 /opt/compass/bin/manage_db.py createdb
-/opt/compass/bin/clean_installers.py
+/opt/compass/bin/clean_installers.py --noasync
 /opt/compass/bin/clean_installation_logs.py
 service httpd restart
 service rsyslog restart

compass/db/api/utils.py

@@ -280,7 +280,7 @@ def wrap_to_dict(support_keys=[], **filters):
 
 def _wrapper_dict(data, support_keys, **filters):
     """Helper for warpping db object into dictionary."""
-    logging.info(
+    logging.debug(
         'wrap dict %s by support_keys=%s filters=%s',
         data, support_keys, filters
     )