Add jshint to tests

Author: shama

Gruntfile.js

@@ -171,7 +171,7 @@ module.exports = function(grunt) {
 
   // Whenever the "test" task is run, first clean the "tmp" dir, then run this
   // plugin's task(s), then test the result.
-  grunt.registerTask('test', ['clean', 'concat', 'nodeunit']);
+  grunt.registerTask('test', ['jshint', 'clean', 'concat', 'nodeunit']);
 
   // By default, lint and run all tests.
   grunt.registerTask('default', ['jshint', 'test', 'build-contrib']);