Great plugin! Suggestion for improvement.

Here is an updated version of the shortcode function. It corrects a few bugs and adds support for the ‘rows’ parameter.

/* Modified version of [cn-social-icons] from Easy Social Icons plugin.
 *
 * Added all the parameters to the shortcode.  All parameters are optional.
 *
 * Description:  Returns an unordered list of icons and optional labels as
 *       defined in 'Easy Social Icon'->'Add Icons'.
 *
 * Usage: [cg_social_icons
 *          width=nn
 *          height=nn
 *          margin=nn
 *          rows=nn
 *          vertical=[yes|no]
 *          text_align=[left|center|right]
 *          labels=[yes|no]
 *          icons=[all|(csv list of icon titles)]
 *          class=[class_name]
 *       ]
 *
 * Parameters:
 *    width -
 *       The width in pixels for the icons. Example: width=16
 *       Default is the value set in 'Easy Social Icon'->Options.
 *
 *    height -
 *       The height in pixels for the icons. Example: height=16
 *       Default is the value set in 'Easy Social Icon'->Options.
 *
 *    margin -
 *       The margin is is the gap in pixels between the icons.
 *       Left and right margins will be set to 1/2 this value.
 *       Default is the value set in 'Easy Social Icon'->Options.
 *
 *    rows  -
 *       The number of rows of icons.
 *       Default is the value set in 'Easy Social Icon'->Options.
 *
 *    vertical -
 *       The vertical or horizontal display of the icons.
 *       If set to 'yes', the icons will be displayed vertically.
 *       If set to 'no', the icons will be displayed horizontally.
 *       Default is the value set in 'Easy Social Icon'->Options.
 *
 *    text_align  -
 *       Alignment of the icons.
 *       If set to 'left', the icons will be aligned left.
 *       If set to 'center', the icons will be aligned center.
 *       If set to 'right', the icons will be aligned right.
 *       Default is the value set in 'Easy Social Icon'->Options.
 *
 *    labels   -
 *       Option to print the Icon Title as a label for the icons.
 *       If set to 'yes', the labels will be printed.
 *       Default is 'no'.
 *
 *    icons -
 *       An optional comma separated list of Icon Titles to print.
 *       If specified, icons will be printed in the order listed.
 *       If omitted, or set to 'all', all icons will be printed in
 *       the order set in 'Easy Social Icon'->'Sort Icons'.
 *
 *    class -
 *       An optional class name to be added to the '<ul>' tag in
 *       addition to the class 'cnss-social-icon' which is always
 *       added.
 *       Default is none.
 *
 */
function cg_social_icons_fn( $atts ) {

   global $wpdb,$baseURL;

	$attrs = shortcode_atts( array(
	   'width'        => get_option('cnss-width'),
	   'height'       => get_option('cnss-height'),
	   'margin'       => get_option('cnss-margin'),
	   'rows'         => get_option('cnss-row-count'),
	   'vertical'     => 'default',
	   'text_align'   => get_option('cnss-text-align'),
	   'labels'       => 'no',
	   'icons'        => 'all',
	   'class'        => '',
	   ),
	   $atts
	);
	extract( $attrs );
	$width = intval($width);
	$height = intval($height);
	$margin = intval($margin);
	$rows = intval($rows);
	$vertical = strtolower($vertical);
	$text_align = strtolower($text_align);
	$labels = strtolower($labels);
	$icons = strtolower($icons);

	if ( $vertical == 'default' ) {
	   $vorh = get_option('cnss-vertical-horizontal');
	} else {
	   $vorh = ($vertical == 'yes') ? 'vertical' : 'horizontal';
	}
	$text_align = ($text_align == 'right') ? 'right' : (($text_align == 'center') ? 'center' : 'left');
	$labels = ($labels == 'yes') ? 'yes' : 'no';

	// Convert icons list to csv for use in sql IN clause, if necessary

	if ( $icons == 'all' ) {
	   $post_title_sql = ' 1 = 1 ';
	} else {
	   $icon_names = explode( ',', $icons );
	   $icon_names = array_map( 'trim', $icon_names );
	   $icon_names_esc = array_map( 'esc_sql', $icon_names );
	   $icon_list = '"' . implode( '","', $icon_names_esc) . '"';
	   $post_title_sql = " LOWER(title) IN ( $icon_list ) ";
	}

	$table_name = $wpdb->prefix . "cn_social_icon";
	$image_file_path = $baseURL;
	$sql = "SELECT * FROM ".$table_name." WHERE $post_title_sql AND image_url<>'' AND url<>'' ORDER BY sortorder";
	$video_info = $wpdb->get_results($sql);

	$out = '';
	if ( $video_info ) {
		// Sort in order of icons parameter, if needed
		if ( $icons != 'all' ) {
         usort($video_info, function($a, $b) use ($icon_names) {
            return array_search(strtolower($a->title), $icon_names) - array_search(strtolower($b->title), $icon_names); }
         );
      }

      $_collectionSize = count($video_info);
      $_rowCount = $rows ? $rows : 1;
      $_columnCount = ceil($_collectionSize/$_rowCount);
      $vorh = ($_columnCount == 1) ? 'vertical' : $vorh;
      $li_margin = round($margin/2);

      ob_start();
      $i=0;
      echo "\n" . '<ul class="cnss-social-icon ' . $class . '" style="text-align:'.$text_align.';">' . "\n";;
      foreach($video_info as $icon) {

         if ( $vorh == 'horizontal' && ((++$i % $_columnCount) == 1 || $_columnCount == 1)) {
            if ( $i > 1 ) {
               echo "</ul>\n";
               echo '<ul class="cnss-social-icon ' . $class . '" style="text-align:'.$text_align.';">' . "\n";
            }
         }
		   if(strpos($icon->image_url,'/')===false) {
		      $image_url = $image_file_path.'/'.$icon->image_url;
		   } else {
		      $image_url = $icon->image_url;
		   }
		   ?>
		   <li class="<?php echo format_title($icon->title); ?>" style=" <?php echo $vorh=='horizontal'?'display:inline-block;':''; ?>">
		      <a <?php echo ($icon->target==1)?'target="_blank"':'' ?> title="<?php echo $icon->title ?>" href="<?php echo esc_url($icon->url); ?>"><img src="<?php echo esc_url($image_url); ?>" border="0" width="<?php echo $width ?>" height="<?php echo $height ?>" alt="<?php echo $icon->title ?>" style=" <?php echo 'margin:'.$li_margin.'px;'; ?>" />
		         <?php echo ($labels == 'yes') ? $icon->title : '';?>
		      </a>
		   </li><?php
		   echo "\n"; // For source readability
	   }
	   echo "</ul>\n";
	   $out = ob_get_contents();
	   ob_end_clean();
	}
	return $out;
}
add_shortcode( 'cg-social-icons', 'cg_social_icons_fn' );