StickyPostMenu.user.js

// ==UserScript==
// @name         Sticky post-menu
// @namespace    http://socvr.net/
// @version      0.2
// @description  Duplicate "share edit close..." menu at top of question.
// @author       Mogsdad
// @match        http://stackoverflow.com/questions/*
// @include        /^https?:\/\/\w*.?(stackoverflow|stackexchange|serverfault|superuser|askubuntu|stackapps)\.com\/(questions|posts|review|tools)\/(?!tagged\/|new\/).*/
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    $('h1:first').before($(".post-menu:first").clone(true));
})();