code: function loadInlineCss(rootDir, apps) {
      _.each(apps, function (app, appName) {
          _.each(app.routes, function (route) {
              var filePath = rootDir + '/app/' + appName + '/inline/' + route.name + '.css';
              if (route.inline && fs.existsSync(filePath)) {
                  inlineCssCache[appName + '||' + route.name] = fs.readFileSync(filePath, { encoding: 'utf8' });
              }
          });
      });
  }
docs: Load all inline css files from the file system
  @param rootDir
  @param apps