Switch to mirror.mirantis.com for deployment

Also aio model is switched to use testing, infra class and openstack
is switched to allow overriding apt_mk_version

Change-Id: Idce36c0551b0013af39bb9627a33c7a9d4634155
Related-Prod: https://mirantis.jira.com/browse/PROD-18517
3 files changed
tree: b16d3e2a66294ff71f3230a0f56961674484c834
  1. classes/
  2. .gitmodules
  3. .gitreview