code: function(dir) {
  
          // Load the package.json if it exists (and remove relative refs)
          var pkg;
          dir = Path.resolve(dir);
          try {
            pkg = JSON.parse(FS.readFileSync(dir + '/package.json', 'utf-8'));
          } catch (e) {
            // Report an error if the package.json has a parse problem.  This is
            // good during app development to show why we didn't discover the app.
            if (e.code !== "ENOENT") {
               console.error("Problem parsing " + dir + "/package.json");
            }
            return false;
          }
  
          // Is this a monitor-dashboard app?
          var isMonitorApp = pkg.dependencies && _.find(_.keys(pkg.dependencies), function(keyword){ return keyword === 'monitor-dashboard'; });
          if (!isMonitorApp) {
            return false;
          }
  
          // This is a monitor-dashboard app.
          return t.loadApp(dir, pkg);
        }
docs: Test an app directory to see if it's a monitor app