Requires TamperMonkey http://goo.gl/EAp4d - Auto loads new posts for New G+ Layout - Copy script below as a new script

Auto Load G+

// ==UserScript==
// @name       Auto Load G+
// @include    https://plus.google.com*
// @require    http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js
// @require    https://gist.github.com/raw/2625891/waitForKeyElements.js
// @grant      GM_addStyle
// @copyright  2013+, Carmelyne Thompson
// ==/UserScript==
/*- The @grant directive is needed to work around a major design
    change introduced in GM 1.0.
    It restores the sandbox.
*/

waitForKeyElements (".Ri07Rc", clickTargetButton);

function clickTargetButton (jNode) {
    var clickEvent = document.createEvent ('MouseEvents');
    clickEvent.initEvent ('click', true, true);
    jNode[0].dispatchEvent (clickEvent);
}