Updating grunt-bundle-jsnext-lib, fixes #113

Author: Andy Earnshaw

package.json

@@ -12,7 +12,7 @@
     "finalhandler": "^0.4.0",
     "glob": "^5.0.3",
     "grunt": "^0.4.5",
-    "grunt-bundle-jsnext-lib": "^0.2.1",
+    "grunt-bundle-jsnext-lib": "^0.5.0",
     "grunt-cli": "~0.1.13",
     "grunt-contrib-clean": "^0.6.0",
     "grunt-contrib-concat": "^0.5.0",