2011-06-30  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* dialog-doc-metadata.c (dialog_doc_metadata_transform_str_to_float): new
	(dialog_doc_metadata_transform_float_to_str): new
	(cb_dialog_doc_metadata_value_edited):preserve type
	(dialog_doc_metadata_init_properties_page): allow decimal properties
	(dialog_doc_metadata_init): register above transforms