Use oslo.log for heat_integrationtests

Later the integration jobs can be tuned to have their own
logging settings.

This change also raises _log_console_output to info, so it is displayed
by default.

Change-Id: Ifcaa6faf76c655e0c8cfd7d76775b80de70062c4
diff --git a/common/remote_client.py b/common/remote_client.py
index 5365ceb..2955418 100644
--- a/common/remote_client.py
+++ b/common/remote_client.py
@@ -11,12 +11,12 @@
 #    under the License.
 
 import cStringIO
-import logging
 import re
 import select
 import socket
 import time
 
+from oslo_log import log as logging
 import paramiko
 import six