Hi there,
Currently, on Elegant template we not using logo and we are using page title as you can set here
http://take.ms/sTHPb
if you wanted to include logo for your Elegant template, you can edit this file
.../templates/elegant/index.php under codes below.
[gist type="php"]
<a class="navbar-brand" href="/">
<?php if ($this->params->get('show_heading_title', true)) { ?>
<?php echo JText::_($this->params->get('title', 'Elegant'));?>
<?php } ?>
</a>
[/gist]