Feature improve core docs (#213)

* Reorganized license content.
* Documented testing support.

CODE_OF_CONDUCT.md

@@ -1,5 +1,7 @@
 # Contributor Covenant Code of Conduct
 
+The following is offered as standard code of conduct to which all contributors are assumed to be committed.
+
 ## Our Pledge
 
 In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.

LICENSE.md

@@ -1,18 +1,33 @@
+- [This project is in the worldwide public domain](#this-project-is-in-the-worldwide-public-domain)
+  - [Fair Use of NIST Data/Works](#fair-use-of-nist-dataworks)
+  - [NIST Software](#nist-software)
+- [Contributions to this project](#contributions-to-this-project)
+
 ## This project is in the worldwide public domain
 
-As a work of the United States government, this project is in the public domain within the United States under the [National Institute of Standards and Technology Software License](#national-institute-of-standards-and-technology-software-license).
+As a work of the United States government, the work in this repository is in the public domain within the United States. See [Fair Use of NIST Data/Works](#fair-use-of-nist-dataworks) and [NIST Software](#nist-software) for more information. 
+
+Additionally, the work in this repository is made available in the public domain worldwide using the [CC0 1.0 Universal public domain dedication](https://creativecommons.org/publicdomain/zero/1.0/).
+
+## Fair Use of NIST Data/Works
+
+This data/work was created by employees of the National Institute of Standards and Technology (NIST), an agency of the Federal Government. Pursuant to title 17 United States Code Section 105, works of NIST employees are not subject to copyright protection in the United States.  This data/work may be subject to foreign copyright.
+
+The data/work is provided by NIST as a public service and is expressly provided “AS IS.” NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT AND DATA ACCURACY. NIST does not warrant or make any representations regarding the use of the data or the results thereof, including but not limited to the correctness, accuracy, reliability or usefulness of the data. NIST SHALL NOT BE LIABLE AND YOU HEREBY RELEASE NIST FROM LIABILITY FOR ANY INDIRECT, CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, AND THE LIKE), WHETHER ARISING IN TORT, CONTRACT, OR OTHERWISE, ARISING FROM OR RELATING TO THE DATA (OR THE USE OF OR INABILITY TO USE THIS DATA), EVEN IF NIST HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+To the extent that NIST may hold copyright in countries other than the United States, you are hereby granted the non-exclusive irrevocable and unconditional right to print, publish, prepare derivative works and distribute the NIST data, in any medium, or authorize others to do so on your behalf, on a royalty-free basis throughout the world.
 
-Additionally, this work is made available in the public domain worldwide using the [CC0 1.0 Universal public domain dedication](https://creativecommons.org/publicdomain/zero/1.0/).
+You may improve, modify, and create derivative works of the data or any portion of the data, and you may copy and distribute such modifications or works. Modified works should carry a notice stating that you changed the data and should note the date and nature of any such change. Please explicitly acknowledge the National Institute of Standards and Technology as the source of the data:  Data citation recommendations are provided at https://www.nist.gov/open/license.
 
-### National-Institute of Standards and Technology Software License
+Permission to use this data is contingent upon your acceptance of the terms of this agreement and upon your providing appropriate acknowledgments of NIST’s creation of the data/work.
 
-Portions of this software was developed by employees of the National Institute of Standards and Technology (NIST), an agency of the Federal Government and is being made available as a public service. Pursuant to title 17 United States Code Section 105, works of NIST employees are not subject to copyright protection in the United States.  This software may be subject to foreign copyright.  Permission in the United States and in foreign countries, to the extent that NIST may hold copyright, to use, copy, modify, create derivative works, and distribute this software and its documentation without fee is hereby granted on a non-exclusive basis, provided that this notice and disclaimer of warranty appears in all copies. 
+## NIST Software
 
-THE SOFTWARE IS PROVIDED 'AS IS' WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY THAT THE SOFTWARE WILL CONFORM TO SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FREEDOM FROM INFRINGEMENT, AND ANY WARRANTY THAT THE DOCUMENTATION WILL CONFORM TO THE SOFTWARE, OR ANY WARRANTY THAT THE SOFTWARE WILL BE ERROR FREE.  IN NO EVENT SHALL NIST BE LIABLE FOR ANY DAMAGES, INCLUDING, BUT NOT LIMITED TO, DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES, ARISING OUT OF, RESULTING FROM, OR IN ANY WAY CONNECTED WITH THIS SOFTWARE, WHETHER OR NOT BASED UPON WARRANTY, CONTRACT, TORT, OR OTHERWISE, WHETHER OR NOT INJURY WAS SUSTAINED BY PERSONS OR PROPERTY OR OTHERWISE, AND WHETHER OR NOT LOSS WAS SUSTAINED FROM, OR AROSE OUT OF THE RESULTS OF, OR USE OF, THE SOFTWARE OR SERVICES PROVIDED HEREUNDER.
+NIST-developed software is provided by NIST as a public service. You may use, copy, and distribute copies of the software in any medium, provided that you keep intact this entire notice. You may improve, modify, and create derivative works of the software or any portion of the software, and you may copy and distribute such modifications or works. Modified works should carry a notice stating that you changed the software and should note the date and nature of any such change. Please explicitly acknowledge the National Institute of Standards and Technology as the source of the software. 
 
-### CC0 1.0 Universal Summary
+NIST-developed software is expressly provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED, IN FACT, OR ARISING BY OPERATION OF LAW, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND DATA ACCURACY. NIST NEITHER REPRESENTS NOR WARRANTS THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED OR ERROR-FREE, OR THAT ANY DEFECTS WILL BE CORRECTED. NIST DOES NOT WARRANT OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF THE SOFTWARE OR THE RESULTS THEREOF, INCLUDING BUT NOT LIMITED TO THE CORRECTNESS, ACCURACY, RELIABILITY, OR USEFULNESS OF THE SOFTWARE.
 
-This is a human-readable summary of the [Legal Code (read the full text)](https://creativecommons.org/publicdomain/zero/1.0/legalcode).
+You are solely responsible for determining the appropriateness of using and distributing the software and you assume all risks associated with its use, including but not limited to the risks and costs of program errors, compliance with applicable laws, damage to or loss of data, programs or equipment, and the unavailability or interruption of operation. This software is not intended to be used in any situation where a failure could cause risk of injury or damage to property. The software developed by NIST employees is not subject to copyright protection within the United States.
 
 #### No Copyright
 
@@ -28,4 +43,4 @@ Unless expressly stated otherwise, the person who associated a work with this de
 
 ### Contributions to this project
 
-As stated in [CONTRIBUTING](CONTRIBUTING.md), all contributions to this project will be released under the CC0 dedication. By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.
+As stated in [CONTRIBUTING.md](CONTRIBUTING.md), all contributions to this repository are made under the [CC0 1.0 Universal public domain dedication](https://creativecommons.org/publicdomain/zero/1.0/). By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.

README.md

@@ -11,14 +11,16 @@ The Metaschema Java framework provides:
 - A Java parser for reading and writing XML, JSON, or YAML into Java beans generated by this framework. This functionality is provided by the [Metaschema Java Binding Parser](metaschema-java-binding/).
 - XML and JSON schema generation based on a Metaschema provided by [Netaschema Schema Generator](metaschema-schema-generator/).
 
-## Contributing to this code base
-
-Thank you for interest in contributing to the Metaschema Java framework. For complete instructions on how to contribute code, please read through our [CONTRIBUTING.md](CONTRIBUTING.md) documentation.
+## License
 
-## Public domain
+See the [project license](LICENSE.md) in this repository.
 
 This project is in the worldwide [public domain](LICENSE.md). As stated in [CONTRIBUTING.md](CONTRIBUTING.md).
 
+## Contributing to this code base
+
+Thank you for interest in contributing to the Metaschema Java framework. For complete instructions on how to contribute code, please read through our [CONTRIBUTING.md](CONTRIBUTING.md) documentation.
+
 ## Using as a Maven dependency
 
 This project's modules are published to [Maven Central](https://search.maven.org/search?q=g:gov.nist.secauto.metaschema).
@@ -27,7 +29,7 @@ You can include these artifacts in your Maven POM as a dependency.
 
 ## Building
 
-This project can be built with [Apache Maven](https://maven.apache.org/) version 3.8.4 or greater.
+This project can be built with [Apache Maven](https://maven.apache.org/) version 3.9.0 or greater.
 
 The following instructions can be used to clone and build this project.