function _getRenderedTimeline(timelineHTML){
            var timelineList = elements.timelineList.clone();
            timelineList.html(timelineHTML);

            _initFileDownloader(timelineList.find(".attachments"));
            yobi.Markdown.enableMarkdown(timelineList.find("[markdown]"));
            timelineList.find("[data-request-method]").requestAs(); // delete button

            return timelineList;
        }
Get issue timeline element which filled with specified HTML String

@param sHTML
@returns {*}
@private