Update to Grails 2.2.4 for testing.
Fix the upload file directory location when not specified. Change it to use the form name to group files under the base directory.
Add a basic select box option. Refactor preamble out.
Update unit tests
Remove the "File" class from the FormReferenceServiceTests as that can confuse things in the dev environment :-/
Make the upload attachment file handler more robust and throw an exception if the file directory can't be created.
Add the output handler for printing out the select value.
Update plugin version to 1.0.4
Update readme for version 1.0.4