Add ubuntu18

  * Info about Ubiquity https://wiki.ubuntu.com/UbiquityAutomation
    - we do exactly partitioning=> no possibility for now, to use
    new installer type.
  * Move growlvm.py to commons

Change-Id: Iabda3770b368a48919fef89d3a78cae388f60168
Prod-related: PROD-28155 (PROD:28155)
diff --git a/ubuntu-16.04/template.json b/ubuntu-16.04/template.json
index 6ffd6dd..076fdec 100644
--- a/ubuntu-16.04/template.json
+++ b/ubuntu-16.04/template.json
@@ -20,6 +20,10 @@
   },
   "provisioners": [
     {
+      "type": "shell-local",
+      "command": "cp -av ../common/files/scripts/growlvm.py files/scripts/growlvm.py"
+    },
+    {
       "type": "shell",
       "execute_command": "chmod +x {{ .Path }}; {{ .Vars }} {{ .Path }}",
       "expect_disconnect": "true",