update packages to latest version

node_modules/npm/doc/api/npm-outdated.md

@@ -0,0 +1,13 @@
+npm-outdated(3) -- Check for outdated packages
+==============================================
+
+## SYNOPSIS
+
+    npm.commands.outdated([packages,] callback)
+
+## DESCRIPTION
+
+This command will check the registry to see if the specified packages are
+currently outdated.
+
+If the 'packages' parameter is left out, npm will check all packages.