update packages to latest version

node_modules/npm/lib/utils/read-local-package.js

@@ -0,0 +1,12 @@
+exports = module.exports = readLocalPkg
+
+var npm = require("../npm.js")
+  , readJson = require("read-package-json")
+
+function readLocalPkg (cb) {
+  if (npm.config.get("global")) return cb()
+  var path = require("path")
+  readJson(path.resolve(npm.prefix, "package.json"), function (er, d) {
+    return cb(er, d && d.name)
+  })
+}