o5/grido — pull request #120 by RadekUldrych (2014-04-10 19:41:56+00:00)
Title: added support for .notation in ArrayObjectAccessor to joined tables data

now you are able to define column like this
```php
$grid->addColumnText('firstName', 'Name')
->setSortable()
->setColumn('contact.firstName')
->setFilterText();
```
instead of
```php
$renderer = function($row) {
return $row->contact->firstName;
};
$grid->addColumnText('firstName', 'Name')
->setSortable()
->setColumn('contact.firstName')
->setCustomRender($renderer)
->setCustomRenderExport($renderer)
->setFilterText()
->setSuggestion($renderer);
```