put license url in package.json. Updated banner to use package.json

license json object.  updated license url in src file to point to
opensource.org/licenses/MIT

Author: kevcenteno

Gruntfile.js

@@ -13,8 +13,8 @@ module.exports = function(grunt) {
                         '* <%= pkg.homepage %>\n' +
                         '*\n' +
                         '*\n' +
-                        '* Released under the MIT license\n' +
-                        '* http://jquery.org/license\n' +
+                        '* Released under the <%= pkg.license.type %> license\n' +
+                        '* <%= pkg.license.url %>\n' +
                         '*\n' +
                         '* Date: <%= grunt.template.today("yyyy-mm-dd") %>\n' +
                         '*\n' +

VerbalExpressions.js

@@ -4,7 +4,7 @@
  *
  *
  * Released under the MIT license
- * http://jquery.org/license
+ * http://opensource.org/licenses/MIT
  *
  * Date: 2013-07-19
  *

package.json

@@ -17,7 +17,10 @@
 		"url": "https://github.com/VerbalExpressions/JSVerbalExpressions/issues"
 	},
 	"main": "VerbalExpressions.js",
-	"license": "MIT",
+	"license": {
+			"type": "MIT",
+			"url": "http://opensource.org/licenses/MIT"
+	},
 	"engines": {
     	"node": ">= 0.8.0"
 	}