Switching salt.minion states to be executed one by one

Due to the fact that some certificates are placed in cookiecutter
on glusterfs, if they are being managed from 2 nodes in the same time
it leads to errors during deployment due to race conditions.

Change-Id: Ib3bfb734de0ed3ade3d46251002054e357cf0c49
Related-Prod: https://mirantis.jira.com/browse/PROD-25796
1 file changed