add possibility of redefine parameter

possibility to define parameter nodes_uri
(thats allow targeting node-config-dir)
trough salt-metadata to avoid issues, when
reclass inventory failed due incorrect node configurations
even if broken-configs does not used

related to: https://gerrit.mcp.mirantis.net/#/c/7818/3

Change-Id: I009a7434cc0372361bb2e44374534ee95aefcd19
3 files changed