When writing customizers/property editors for visual components currently there
is no developer friendly mechanism to persist complext values in the form file
other than serialization and using the Netbeans-specific XMLPropertyEditor.

In addition, when using XMLPropertyEditor, we also have to "patch" both the
development environment and the module's layer.xml file with the following in
order to get the form classloader to load the classes for the objects being
customized/edited.

     <!-- form class loader type registration -->
     <folder name="org-netbeans-modules-form">
         <folder name="classloader">
             <folder name="system_with_project">
                 <file name="MySystemAndProjectClasses.txt">
                 com.mypckage.**
                 </file>
             </folder>
         </folder>
     </folder>