IN PROGRESS - issue ACT-1262: Redesign ExportMarshaller interface 
https://jira.codehaus.org/browse/ACT-1262
IN PROGRESS - issue ACT-1262: Redesign ExportMarshaller interface 
https://jira.codehaus.org/browse/ACT-1262

Updated invocation of ExportMarshallers.
IN PROGRESS - issue ACT-1263: Adapt base classes 
https://jira.codehaus.org/browse/ACT-1263
IN PROGRESS - issue ACT-1263: Adapt base classes 
https://jira.codehaus.org/browse/ACT-1263

Also re-added preferences and took these into account when saving.
Cleanup of the save preferences page.
IN PROGRESS - issue ACT-1263: Adapt base classes 
https://jira.codehaus.org/browse/ACT-1263

cleanup
Merged ACT-1261 into master