[devtools/testlib,fill] use the new connection api (for auto_populate)
Note that this changes API of CubicWebTC's custom_populate and
post_populate methods to take a connection instead of a cursor, which
may affect some cubes.
/* 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;
}