Add network commissioning script

 * 00-maas-05-simplify-network-interfaces that makes transformation of
   NIC names   10G=> tenXX ; 1G=> oneXX
 * The patch only migrates logic from docs [0] to be optional.
 * Misc: don't call processing of fabrics\dev\netw\etc modules, if they
   are not defined.

EME-70

[0] `https://docs.mirantis.com/mcp/master/mcp-deployment-guide/deploy-mcp-drivetrain/install-base-infra/deploy-physical-nodes/deploy-automatically/commission-nodes-automatically.html`

Change-Id: Ie1d384bc887a9ddcc8f8f5b268de12d1ccb9c83e
diff --git a/README.rst b/README.rst
index d09b6fd..2fd06cb 100644
--- a/README.rst
+++ b/README.rst
@@ -128,7 +128,7 @@
             subnet: cidr:192.168.10.0/24
           mac: '66:55:44:33:22:11'
       commissioning_scripts:
-        00-maas-06-create-raid.sh: /srv/salt/reclass/scripts/commisioning_script.sh
+        00-maas-05-simplify-network-interfaces: /etc/maas/files/commisioning_scripts/00-maas-05-simplify-network-interfaces
       maas_config:
         domain: mydomain.local
         http_proxy: http://192.168.0.10:3142