[CXF-6074] Add the ability to configure (statefull) XmlAdapters on the JAXB Un-/Marshaller.
Commits from Maarten Winkels applied
This closes #28
Update DataWriterImpl.java
Update JAXBDataBinding.java
Update DataReaderImpl.java
Update DataReaderImpl.java
Update DataWriterImpl.java
Update JAXBDataBinding.java
Update DataReaderImpl.java
Fixed whitespace.