Add a gitreview for gerrithub

Change-Id: Ib16a571eb7ccb15f9be231cf9ac086ddb94a8e0a
diff --git a/.gitreview b/.gitreview
index 2865236..39b701c 100644
--- a/.gitreview
+++ b/.gitreview
@@ -1,4 +1,4 @@
 [gerrit]
-host=review.openstack.org
+host=review.gerrithub.io
 port=29418
-project=openstack-dev/sandbox.git
+project=jamielennox/sandbox.git