add_filter( 'pagelines_site_logo', 'my_logo_url' );
function my_logo_url( $site_logo ) {
return '<a class="plbrand" href="http://barringtoncrossfit.com/hours-map-barringtont-fitness-training/" title="">
<img class="mainlogo-img" src="http://barringtoncrossfit.com/wp-content/uploads/2013/03/LInk_emtty-space-for-header.png" alt="" /></a>';

}