Update version for 1.1-rc0 release

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/VERSION b/VERSION
index 3e9c4a6..ac2282a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.0.50
+1.0.90