Start sdfabric-1.2 branch

Change-Id: I4ee33f6ab1e48cefd450057ccb11025d5e4b5b68
diff --git a/.gitreview b/.gitreview
index 637e7ca..572221e 100644
--- a/.gitreview
+++ b/.gitreview
@@ -6,4 +6,4 @@
 port=29418
 project=sdfabric-docs.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=sdfabric-1.2