licenses -> license in package.json

Author: michaelficarra

package.json

@@ -34,7 +34,7 @@
     "regenerate": "~1.3.1",
     "unicode-9.0.0": "~0.7.0"
   },
-  "licenses": "BSD-2-Clause",
+  "license": "BSD-2-Clause",
   "scripts": {
     "test": "npm run-script lint && npm run-script unit-test",
     "lint": "jshint lib/*.js",