Preparing cord-1.0 rc1

Change-Id: Ibbf3acce2ef491d9844fbc502c1228ae9678d5a7
diff --git a/.gitreview b/.gitreview
index 8ecc465..1adb94a 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=igmp.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=cord-1.0