allow raw html in "sort" header column
allow raw html in "sort" header column

bogdan/datagrid,11factory/datagrid,reenhanced/datagrid,artofhuman/datagrid,sadaf2605/datagrid,bogdan/datagrid,jeanlinux/datagrid,jeanlinux/datagrid,artofhuman/datagrid,sadaf2605/datagrid,reenhanced/datagrid