JBQA-8017 Tests for size rotating file handler
Amendments according to code comments by jamezp
clear logs while server is stopped
WFLY-529 CDI and Bean Validation integration for method validation

- Add a module for the Hibernate Validator CDI portable extension
- Replace the delegate of LazyValidatorFactory with the CDI-enabled ValidatorFactory provided by the CDI portable extension
Restore original module name for mod_cluster extension in default configuration files.