WFLY-2546 Add ability to configure handlers from jboss-web.xml
Make ignore-flush configurable
[WFLY-2808] correct method name typo, and HandleWrapper should be serializable
[WFLY-2721] Where password requirements only log a warning inform the user the list is a recommendation list and not a requirements list.
[WFLY-2760] (un)register BC provider in other affected tests, only unregister if it wasn't registered before