Document default arguments for the WP_List_Table class. Also add referenced docblocks to extending class constructors.

Props mikejolley for the initial patch.
Fixes #28679. See #28298.

Built from https://develop.svn.wordpress.org/trunk@29459


git-svn-id: http://core.svn.wordpress.org/trunk@29237 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-terms-list-table.php

@@ -11,6 +11,15 @@ class WP_Terms_List_Table extends WP_List_Table {
 
 	public $callback_args;
 
+	/**
+	 * Constructor.
+	 * 
+	 * @since 3.1.0
+	 *
+	 * @see WP_List_Table::__construct() for more information on default arguments.
+	 *
+	 * @param array $args An associative array of arguments.
+	 */	
 	public function __construct( $args = array() ) {
 		global $post_type, $taxonomy, $action, $tax;