lazy tabs: trigger the load event

Dependencies

• [2] KNLY6DML Bring deep-embedding (tab anchors) javascript up-to-date
• [*] 2P7VNAAC Move common Javascript code into a separate file

Change contents

• edit in src/root/static/js/common.js at line 63
  [2.408]

  [2.408]
  + setTimeout(function () { $('.nav-tabs > .nav-item:not(.dropdown) a[href="' + window.location.hash + '"]').trigger('show.bs.tab'); }, 0);