[diet] drop pre 3.6 API compatibility (but attempt to keep data cmopatibility). Closes #2017916
notice drop of the .paginable property necessary for 'paginable' affectation as done in the
forthcoming table views refactoring
/* sortable tables */
table.listing tr .headerSortUp {
background-image: url(asc.gif);
}
table.listing tr .headerSortDown {
background-image: url(desc.gif);
}
table.listing tr .headerSortDown, table.listing tr .headerSortUp {
background-color: %(listingBorderColor)s;
background-repeat: no-repeat;
background-position: center right;
}