/* There are two special stash variables used in the layout templates:
- title (title of the page, used eg. in the <title> element)
- currentSection (URL for the current section, eg. '/' or '/scenarios')
function renderPage(res, templateName, config, userStash) {
    var pageStash = extendObject({
        baseUrl: robohydraAdminBaseUrlPath,
        renderPartial: renderPartial
    }, userStash);
    var templateString = templateData(templateName);
    var mainContent = ejs.render(templateString, pageStash);

    var layoutStash = extendObject({
        baseUrl: robohydraAdminBaseUrlPath,
        title: "RoboHydra Admin",
        currentSection: "/",
        hydraName: config.robohydra.name,
        startTime: config.robohydra.startTimestamp,
        renderPartial: renderPartial,
        content: mainContent
    }, userStash);

    res.headers['content-type'] = 'text/html';
    res.send(ejs.render(mainLayoutTemplateString, layoutStash));
}