Fix non-front-end lint errors

Part of #54

Gruntfile.js

@@ -3,7 +3,12 @@ module.exports = function (grunt) {
 	grunt.initConfig({
 
 		jshint: {
-			all: ['**/*.js', '!node_modules/**/*.js', '!public/js/vendor/**/*.js', '!public/js/site.min.js'],
+			all: [
+				'**/*.js',
+				'!node_modules/**/*.js',
+				'!public/js/vendor/**/*.js',
+				'!public/js/site.min.js'
+			],
 			options: {
 				es3: false,
 				indent: 4,

route/result/download.js

@@ -40,7 +40,7 @@ function route (app) {
             moment(result.date).format('YYYY-MM-DD'),
             '.',
             extension
-        ].join('')
+        ].join('');
     }
 
     app.express.get('/:id/:rid.csv', getTaskAndResult, function (req, res) {