Bug 142104 Cannot place data set field on master page
Bugzilla 122419 says this is fixed. I am using RC2, and I can't insert a data set field in the master page header or footer.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
else if ( insertObj instanceof IStructuredSelection )
		{
			return handleValidateInsertToLayout( ( (IStructuredSelection) insertObj ).toArray( ),
					targetPart );
		}
		else if ( insertObj instanceof DataSetHandle )
		{
			if ( insertObj instanceof JointDataSetHandle )
				return isHandleValid( (DataSetHandle) insertObj )
						&& handleValidateDataSet( targetPart );
			else
				return isHandleValid( (DataSetHandle) insertObj )
						&& ( (DataSetHandle) insertObj ).getDataSource( ) != null
						&& handleValidateDataSet( targetPart );
		}
		else if ( insertObj instanceof ResultSetColumnHandle )
		{
			return handleValidateDataSetColumn( (ResultSetColumnHandle) insertObj,
					targetPart );
		}
		else if ( insertObj instanceof ScalarParameterHandle )
		{
			return isHandleValid( (ScalarParameterHandle) insertObj )
					&& handleValidateParameter( targetPart );
		}
		return false;
	}
	/**
	 * Checks if all the DataSetColumn has the same DataSet.
	 *