[M] unit settings under news

<div class="small-settings">
    This article contains localized units and prices. Change
    <a href="#" onclick="return false;" id="open-small-units-popup">
        <i class="head-icon icon-settings"></i> settings
    </a>.

    <div class="flyout-menu" id="small-units-popup">
        <form>
            <fieldset>
                <legend>Your choice</legend>
                <label>
                    <input type="radio" name="small-units-system" value="1">
                    <span>US</span>
                </label>
                <label>
                    <input type="radio" name="small-units-system" value="3">
                    <span>UK</span>
                </label>
                <label>
                    <input type="radio" name="small-units-system" value="2" checked>
                    <span>Rest of the world</span>
                </label>
            </fieldset>
        </form>
    </div>
</div>