anandkumar/jquery-smooth-scroll — pull request #1 by kuchenundkakao (2014-07-04 08:29:31+00:00)
Title: Update jquery-smooth-scroll.php

Enqueueing the Script and Style in wp_head action is not recommended AND makes the Site invalid. Changed the action to wp_enqueue_scripts .
Also added wp_enqueue_script('jquery') in the case the theme doesn't enqueue jQuery until now ^^