Using EloquentTree in another database (#15)

I am working on a project with multiple databases. And we use the Eloquent Tree at one database who at not the application database default. This line code causes an error because the application it was looking at the table in the wrong database.

Author: carlos3duardo

src/Gzero/EloquentTree/Model/Observer.php

@@ -33,7 +33,7 @@ public function saved(Tree $model)
     {
         if ($model->{$model->getTreeColumn('path')} === '') { // If we just save() new node
             $model->{$model->getTreeColumn('path')} = $model->getKey() . '/';
-            DB::table($model->getTable())
+            DB::connection($model->getConnectionName())->table($model->getTable())
                 ->where($model->getKeyName(), '=', $model->getKey())
                 ->update(
                     array(