GMEasyInstall.user.js

// ==UserScript==
// @name GMEasyInstall
// @namespace http://d.hatena.ne.jp/javascripter/
// @include http*
// ==/UserScript==
function fixLink(doc) {
  $$('a[href$=".user.js"]', doc)
   .forEach(function(a) {
     a.href += "#";
   });
}
fixLink(document.body);
if ("AutoPagerize" in window)
  window.AutoPagerize.addFilter(function(docs) {
    docs.forEach(fixLink);
  });
GM_registerMenuCommand("Install this Greasemonkey",
  function() {
    location.href += "#.user.js";
  });
  
function $$(selector, context)
  Array.slice((context || document).querySelectorAll(selector));