Added coding style linter

Gruntfile.js

@@ -1,8 +1,8 @@
 'use strict';
 
 module.exports = function(grunt) {
-    grunt.initConfig({
 
+    grunt.initConfig({
 
         pkg: grunt.file.readJSON('package.json'),
 
@@ -30,12 +30,43 @@ module.exports = function(grunt) {
                 files: '<%= project.assets %>/sass/{,*/}*.{scss,sass}',
                 tasks: ['sass:dev']
             }
+        },
+
+      jslint: { // configure the task
+
+        client: {
+          src: [
+            'app/app.js',
+            'app/**/*.js'
+          ],
+          exclude: [
+            'app/bower_components/**/*.js',
+            'app/assets/**/*'
+          ],
+          directives: { // example directives
+            node: true,
+            todo: true
+          },
+          options: {
+            edition: 'latest', // specify an edition of jslint or use 'dir/mycustom-jslint.js' for own path
+            junit: 'out/client-junit.xml', // write the output to a JUnit XML
+            log: 'out/client-lint.log',
+            jslintXml: 'out/client-jslint.xml',
+            errorsOnly: true, // only display errors
+            failOnError: false, // defaults to true
+            checkstyle: 'out/client-checkstyle.xml' // write a checkstyle-XML
+          }
         }
+      }
     });
 
     grunt.loadNpmTasks('grunt-contrib-sass');
     grunt.loadNpmTasks('grunt-contrib-watch');
+    grunt.loadNpmTasks('grunt-jslint');
+
+    grunt.registerTask('default', 'jslint');
     grunt.registerTask('default', [
         'watch'
     ]);
+
 };