Use cord-3.0 branch

Change-Id: I5e60d1a347a895e6de2cf26868cbb4bd8be8acff
diff --git a/scripts/cord-in-a-box.sh b/scripts/cord-in-a-box.sh
index 4951df2..593de34 100755
--- a/scripts/cord-in-a-box.sh
+++ b/scripts/cord-in-a-box.sh
@@ -15,8 +15,8 @@
 VAGRANT_VM_PREFIX=build
 
 # CORD versioning
-REPO_BRANCH="master"
-VERSION_STRING="CiaB Devel"
+REPO_BRANCH="cord-3.0"
+VERSION_STRING="CiaB 3.0"
 
 function finish {
     EXIT=$?