Create openscap formula

This formula allows to install openscap schemas and utils.
Also, here is a simple oscap execution module.

Change-Id: Ib113f9a739deafbc4cf85c97b071636d0161cb54
Closes-PROD: https://mirantis.jira.com/browse/PROD-20392
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+
+================
+openscap formula
+================
+
+Openscap is used to install openscap utils.
+
+Sample pillars
+==============
+
+.. code-block:: yaml
+
+   parameters:
+     openscap:
+       service:
+         enabled: True
+       upload:
+         cloud_name: ${_param:cluster_domain}
+         api_url: http://8.8.8.8:12345/
+       tailoring:
+         id:
+           profile: xccdf_org.customer.content_profile_default
+           extends: xccdf_org.mirantis.content_profile_default
+           values:
+             first_value: First
+             second_value: 2
+             external_ip_address: ${_param:single_address}
+
+Read more
+=========
+
+* https://www.open-scap.org/