Proposed largely editorial changes for discussion in QKD#37.
OpenAPI description for draft GS QKD 020 V0.4.1 under DGS/QKD-020_InteropKMS
OpenAPI description for draft GS QKD 020 V0.3.1 under DGS/QKD-020_InteropKMS
OpenAPI description for draft GS QKD 020 V0.2.1 under DGS/QKD-020_InteropKMS
OpenAPI description for draft GS QKD 020 V0.1.1 under DGS/QKD-020_InteropKMS
OpenAPI description for initial early draft of GS QKD 020 V0.0.1 under DGS/QKD-020_InteropKMS.