Move addons to common section

* Move addons to common section of metadata
* Add conditional logic to install criproxy when virtlet is enabled
* Adding -%} to remove empty lines produced by jinja

Doc-Impact

Change-Id: I1c91deffb51cc42da46bc2559fd01c50f9ce4e27
Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>
diff --git a/metadata/service/master/single.yml b/metadata/service/master/single.yml
index 86d5b7e..ac9e2aa 100644
--- a/metadata/service/master/single.yml
+++ b/metadata/service/master/single.yml
@@ -61,7 +61,7 @@
         virtlet:
           enabled: False
           namespace: kube-system
-          image: mirantis/virtlet:latest
+          image: mirantis/virtlet:v0.7.0
       token:
         admin: ${_param:kubernetes_admin_token}
         kubelet: ${_param:kubernetes_kubelet_token}