barebones/functions.php

<?php

add_theme_support( 'post-thumbnails' );
add_theme_support( 'post-formats', array( 'post' ) ); 
add_theme_support( 'custom-header' );
add_theme_support( 'custom-background' );
add_post_type_support( 'page', 'excerpt' );

remove_action( 'wp_head', 'rsd_link' );
remove_action( 'wp_head', 'wlwmanifest_link' );
remove_action( 'wp_head', 'wp_generator' );
remove_action( 'wp_head', 'start_post_rel_link' );
remove_action( 'wp_head', 'index_rel_link' );
remove_action( 'wp_head', 'adjacent_posts_rel_link_wp_head' );
remove_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 );

function theme_scripts() {
  wp_deregister_script( 'jquery' );
  wp_register_script( 'jquery', ( 'http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js' ), false, '1.7.1', true);
  wp_enqueue_script( 'jquery' );
}

add_action( 'wp_enqueue_scripts', 'theme_scripts' );

function remove_comments_rss( $for_comments ) {
    return;
}
add_filter( 'post_comments_feed_link', 'remove_comments_rss' );

if ( function_exists( 'register_sidebar' ) )
	register_sidebar();