On Docker images, it might not be present, so we don't need to modify it.

Also fix a bug with "sshd_config" being used as a register twice, so the second
usage overwrites the result of the first one.

(cherry picked from commit 8e995343)

OPS-1593 As an operator, I want sudo_user converted to become user in roles and plays, for compatibility with Ansible 2.x

The headers were pointing to the old github wiki. Since we've officially
moved to Confluence, these links should be updated.

refactoring common inclusion based on comments

removing motd template from common

Removing sshd template

relocating temlates

relocating templates

Relocating dhclient templates

explicit play depends

Update responsibilities

indent

further dependency updates

additional updates

Common dependency for server utils

Supervisor is required for role integrity

Typos

further template ownership changes