Update version for 1.3.0-rc1

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/VERSION b/VERSION
index 2d04904..1ec5aef 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.2.90
+1.2.91