Merge pull request #6284 from stuartwdouglas/undertow

Undertow 1.0.12.Final
Deprecate PersistentResourceXMLDescription.addAttributes(Collection)
Merge pull request #6287 from stuartwdouglas/remove-add-attrs

Deprecate PersistentResourceXMLDescription.addAttributes(Collection)
Undertow 1.0.13.Final