qTip2 wrong offset onrender

qTip is displaced because icomoon icons are not rendered before.

by omegak

HTML

<script src="http://craigsworks.com/projects/qtip2/packages/nightly/jquery.qtip.js"></script>
<link rel="stylesheet" href="http://craigsworks.com/projects/qtip2/packages/nightly/jquery.qtip.css">
<div class="c1" title="I'm a div">
    <span class="c2">
        sup
    </span>
</div>

CSS

.c1 {
    background: red;
}

.c2 {
    background: green;
}

JavaScript

$(document).on("mouseenter", '[title]', function (event) {
    $(this).qtip({
        position: {
            my: 'top center',
            at: 'bottom center'
        },
        overwrite: false,
        show: {
            event: event.type,
            ready: true
        },
        events: {
            show: function (event) {
                if ($(event.originalEvent.target).hasClass('open')) {
                    event.preventDefault();
                }
            }
        }
    }, event);
});