Example Links Return 404

[csandy]

In the readme under the Examples section, all three links are returning a 404.

A simple password grant authorization example. https://github.com/oauthjs/node-oauth2-server/blob/master/examples/password

A more complex password and refresh_token example. https://github.com/oauthjs/node-oauth2-server/blob/master/examples/refresh-token

An advanced password, refresh_token and authorization_code (with scopes) example. https://github.com/oauthjs/node-oauth2-server/blob/master/examples/authorization-code

[gocoffeecup]

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