Add .gitreview config file for gerrit.

Change-Id: I68cea1fe92890f10182017936f93a68ee120911d
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..b2181c8
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,4 @@
+[gerrit]
+host=review.openstack.org
+port=29418
+project=openstack/openstack-integration-tests.git