Preparing cord-1.0 rc1

Change-Id: I25dfa583cd3d669c2a9ca8869245d9c751d0713d
diff --git a/.gitreview b/.gitreview
index e8ae9b0..7459e61 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=aaa.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=cord-1.0