add qunit grunt dependency

Gruntfile.js

@@ -109,6 +109,7 @@ module.exports = function(grunt) {
 	});
 
 	// Dependencies
+	grunt.loadNpmTasks( 'grunt-contrib-qunit' );
 	grunt.loadNpmTasks( 'grunt-contrib-jshint' );
 	grunt.loadNpmTasks( 'grunt-contrib-cssmin' );
 	grunt.loadNpmTasks( 'grunt-contrib-uglify' );

package.json

@@ -27,6 +27,7 @@
     "socket.io": "~0.9.13"
   },
   "devDependencies": {
+    "grunt-contrib-qunit": "~0.2.2",
     "grunt-contrib-jshint": "~0.2.0",
     "grunt-contrib-cssmin": "~0.4.1",
     "grunt-contrib-uglify": "~0.1.1",