Add 2.13 release notes

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: I0d332a66db4bfffdb4fb338789cc1afcf803e8e5
diff --git a/VERSION b/VERSION
index f208b0d..fb2c076 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.12.45
+2.13.0