Fix for licensing on banner

Author: zachleat

grunt.js

@@ -9,7 +9,7 @@ module.exports = function(grunt) {
         '<%= grunt.template.today("yyyy-mm-dd") %>\n' +
         '<%= pkg.homepage ? "* " + pkg.homepage + "\n" : "" %>' +
         '* Copyright (c) <%= grunt.template.today("yyyy") %> <%= pkg.author.name %>;' +
-        ' Licensed <%= _.pluck(pkg.licenses, "type").join(", ") %> */'
+        ' Licensed <%= pkg.license %> */'
     },
     concat: {
       js: {