B-48943 Merged with current master
B-48943 Added basic versioning support, tests pending
B-48943 Updated XSD with additional constraints
B-48943 Updated unit tests to compile, 2 still fail
Update to current
B-48943 Updated Saxon to SaxonEE for setXSDEngine call
B-48943 Fixed update listeners
B-48943 Updated path for testing, added deprecation warning for older schema versions
B-48943 Moved tests to unit tests
B-48943 Optimization options default to true
B-48943 Fixed path for testing
B-48943

- Updated ValidatorConfigurator to a Template method class with sub-classes implementing the version-specific parts of the validator
XML schema.
- Deleted corresponding ValidatorConfigurator unit tests as they were no longer valid.
B-48943 Added class comments to the handler factory, refactored getListeners code
Merge pull request #573 from dmnjohns/api-validator

B-48943 API Validator XSD Versioning Implemented, use-saxon Deprecated