Cleanup of the models directory, including adding a new version of the STIX UML, and the first version of the Conceptual Model

	renamed:    models/Informal/HighLevel.mdzip -> models/Archive/Informal/HighLevel.mdzip
	renamed:    models/Informal/HighLevelPicture.pptx -> models/Archive/Informal/HighLevelPicture.pptx
	renamed:    models/Informal/Threat UML.mdzip -> models/Archive/Informal/Threat UML.mdzip
	new file:   models/Archive/LogicalModel/ThrealLogicalModel.mdzip
	renamed:    models/LogicalModel/ThrealLogicalModel.mdzip -> models/Archive/LogicalModel/ThrealLogicalModel.mdzip.bak
	renamed:    models/ThreatPIM/THREAT-UML.mdzip -> models/Archive/ThreatPIM/THREAT-UML.mdzip
	renamed:    models/ThreatPIM/THREAT-UML.mdzip.bak -> models/Archive/ThreatPIM/THREAT-UML.mdzip.bak
	renamed:    models/ThreatPIM/THREAT-UML.mdzip_pre17.0.5.mdzip.bak -> models/Archive/ThreatPIM/THREAT-UML.mdzip_pre17.0.5.mdzip.bak
	renamed:    models/ThreatPIM/THREAT-UML.pdf -> models/Archive/ThreatPIM/THREAT-UML.pdf
	new file:   models/Conceptual Threat Model/Conceptual Threat Model.mdzip
	renamed:    models/ReversedSTIX11/TomDigreNotes.TXT -> models/ReversedSTIX11/NIEM-based Reversal/TomDigreNotes.TXT
	renamed:    models/ReversedSTIX11/stix_v1.1.mdzip -> models/ReversedSTIX11/NIEM-based Reversal/stix_v1.1.mdzip
	renamed:    models/ReversedSTIX11/stix_v1.1_Revised.mdzip -> models/ReversedSTIX11/NIEM-based Reversal/stix_v1.1_Revised.mdzip
	new file:   models/ReversedSTIX11/Plain UML/STIX UML.mdzip