Preparing cord-1.0 rc1

Change-Id: I3e5cb415550645594cb3111a0e250543953cfa2e
diff --git a/.gitreview b/.gitreview
index 070f5a9..402abfc 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=vtn.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=cord-1.0