Bump virtlet version to v1.0.0

Adjusted template for virtlet deployment.

Change-Id: I10f16026b7e37d9df7088bea6d6f33720d6063b4
diff --git a/README.rst b/README.rst
index 6b509c3..3b50609 100644
--- a/README.rst
+++ b/README.rst
@@ -70,7 +70,7 @@
             virtlet:
               enabled: true
               namespace: kube-system
-              image: mirantis/virtlet:v0.8.0
+              image: mirantis/virtlet:v1.0.0
               hosts:
               - cmp01
               - cmp02