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>
36 files changed