Add Individual values for NONE and NOASSERTION licenses

Signed-off-by: Gary O'Neall <gary@sourceauditor.com>

model/ExpandedLicensing/Vocabularies/NoAssertionLicense.md

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+SPDX-License-Identifier: Community-Spec-1.0
+
+# NoAssertionLicense
+
+## Summary
+An Individual Value for License when no assertion can be made about it's actual value.
+
+
+## Description
+
+NoAssertion should be used if the SPDX creator has attempted to but cannot reach a reasonable objective determination;
+the SPDX creator has made no attempt to determine this field; or
+the SPDX creator has intentionally provided no information (no meaning should be implied by doing so).
+
+## Metadata
+
+- name: NoAssertionLicense
+- type: License
+
+## Property Values
+
+- name: "NOASSERTION"
+- /SimpleLicensing/licenseText: "Not Applicable: Text for a NOASSERTION License"
+

model/ExpandedLicensing/Vocabularies/NoneLicense.md

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+SPDX-License-Identifier: Community-Spec-1.0
+
+# NoneLicense
+
+## Summary
+An Individual Value for License no license is present.
+
+
+## Description
+
+The SPDX document creator concludes there is no license available for this package
+
+## Metadata
+
+- name: NoneLicense
+- type: License
+
+## Property Values
+
+- name: "NONE"
+- /SimpleLicensing/licenseText: "Not Applicable: Text for a NONE License"
+