Refactor to facilitate further desanitizer testing
Refactor to facilitate further desanitizer testing

[#128624669] Create a script to desanitize, sanitize, and generate manifest

Signed-off-by: Topher Lubaway <b16f5c2179c9bd81c63bb4363d889b349d49366b@pivotal.io>

pivotal-cloudops/secrets-sanitizer,pivotal-cloudops/secrets-sanitizer