Rendering output to xccdf xml format

[cwmoriarty]

Thoughts on rendering output to xccdf xml format to use with the Assessor?
Happy to help write this if there's interest.

[fragtastic]

Specifications: https://csrc.nist.gov/projects/security-content-automation-protocol/specifications/xccdf
Schema: https://csrc.nist.gov/schema/xccdf/1.2/xccdf_1.2.xsd