Use full version of FlexSlider in twentyfourteen theme

gistfile1.php

<?php 

/** Remember to remove the below featuredslider (note custom name) js stuff in functions.js file 
 * 
	_window.load( function() {
		if ( body.is( '.slider' ) ) {
			$( '.featured-content' ).featuredslider( {
				selector: '.featured-content-inner > article',
				controlsContainer: '.featured-content'
			} );
		}
	} );
 *
 * /


/**
 * In functions.php
 */ 
if ( is_front_page() && 'slider' == get_theme_mod( 'featured_content_layout' ) ) {
	wp_enqueue_script( 'twentyfourteen-slider', get_template_directory_uri() . '/js/flexslider.js', array( 'jquery' ), '20131205', true );
	wp_localize_script( 'twentyfourteen-slider', 'featuredSliderDefaults', array(
		'prevText' => __( 'Previous', 'twentyfourteen' ),
		'nextText' => __( 'Next', 'twentyfourteen' )
	) );
}




/**
 * In tweaks.php
 * 
 * If we're on the front page and Featured Content display is set to 'slider', include
 * slider initialization script.
 * 
 * If slideshow autoplay is enabled, toggle slideshow value to 'true'.
 */
function twentyfourteen_featured_content_slider() {
	
	if ( is_front_page() && 'slider' == get_theme_mod( 'featured_content_layout' ) ) {	

		$slider_autoplay = get_theme_mod( 'slider_autoplay' );	
		if ( $slider_autoplay == 'enabled' ) {
			$slideshow = 'true';
		}
		else {
			$slideshow = 'false';
		}
			?>  
			<script type="text/javascript" charset="utf-8">
				( function( $ ) {
					var body    = $( 'body' ),
						_window = $( window );
					_window.load( function() {
						if ( body.is( '.slider' ) ) {
							$( '.featured-content' ).flexslider( {
								selector: '.featured-content-inner > article',
								controlsContainer: '.featured-content',
								slideshow: <?php echo $slideshow; ?>,
								slideshowSpeed: 5000,
								animation: 'slide',
								smoothHeight: true,
								pauseOnHover: true,
								video: true,
								controlNav: true,
								namespace: 'slider-'
							} );
						}
					} );
				} )( jQuery );
			</script>
	<?php }
}
add_action('wp_footer', 'twentyfourteen_featured_content_slider');
?>