I just added 2 new tabs to my network using the method in which you take a code, modify it a little bit, and put it in your Tracking Statistic box [found it here!] and now this appears on my sign-in screen:
ar referencetab = document.getElementById('xg_tab_profile'); if(referencetab) { referencetab.parentNode.insertBefore(newtab,referencetab); }