- maven plugin findbugs (obsolete) replaced with spotbugs
- updated license headers for 2021

- Fixed issues in Request/Response JSON schema
- Added XSLT stylesheets for XACML/XML to XACML/JSON (non-standard)
Policy(Set) conversion (see README.md for more info),
- Added Ant generation script and unit tests for testing validation with
the new Policy JSON schema and for testing those stylesheets XACML
conformance tests for testing two-way conversion (XML->JSON->XML)
- Improved XacmlJsonUtils#canonicalizeResponse(...) to ignore
IncludeInResult in Response's Attributes comparison
- Updated license headers for year 2020

- Upgraded parent project version to 7.5.0

definition, non-standard) with sample policies
- common.schema.json: replaced format uri with uri-reference which
better corresponds to xml anyURI used in XACML
- renamed Xacml3JsonUtils class to XacmlJsonUtils
- added licensing
- change authzforce-ce-parent project version: 7.1.0->7.3.0
- added plugins: dependency-check-maven, pmd, findbugs, surefire