[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.

* {
  color: #000 !important;
}

div#popupLoginBox,
div#popupLoginBox,
img#logo, div.header,
#navColumnLeft, #navColumnRight,
#footer {
  display: none
}

div#pageContent{
  border: none;
}