Migrate d3js to v4 and correct d3js visualisations i.e. bug 3.20. Breadcrumb navigation for the language treemap has been improved
<?php
namespace CorpusParole\Models;
use Illuminate\Database\Eloquent\Model;
class CocoonRevision extends Model
{
public function document() {
return $this->belongsTo('CorpusParole\Models\CocoonDocument');
}
}