Load the newest version of the jQuery easing plugin in the Calypso theme

gce-newer-jquery-easing.php

<?php
/*
Plugin name: Use newer jQuery easing plugin
*/

function gce_newer_easing() {
	wp_dequeue_script( 'easing' );
	wp_enqueue_script( 'gce-easing', plugins_url( 'jquery.easing.min.js', __FILE__ ), array( 'jquery' ) );
}

add_action( 'wp_enqueue_scripts', 'gce_newer_easing' );