provision files with ansible
use Windows modules for copying

Use the Windows modules from github.com/ansible/ansible/pull/9611 and
github.com/ansible/ansible-modules-core/pull/384 for provisioning, so
recursive copying is supported.

Move the playbook into playbooks/.

Add a rule to ensure PowerShell scripts always have CRLF line endings.
Merge branch 'feature-ansible-provisioner'