Fix various iCloud vCard issues, added fallback for external photos (#1489993)

Aleksander Machniak

2014-08-01 1fac787d2cedc2ada103418bf91895b3edf1dd8f

 program/steps/mail/show.inc

@@ -344,8 +344,10 @@
            '_task'   => 'addressbook',
            '_action' => 'photo',
            '_email'  => $MESSAGE->sender['mailto'],
            '_alt'    => $placeholder
            '_alt'    => $placeholder,
        ));

        $attrib['onerror'] = "this.src = '" . ($placeholder ? $placeholder : 'program/resources/blank.gif') . "'";
    }
    else {
        $photo_img = $placeholder ? $placeholder : 'program/resources/blank.gif';