[FIX] Allow question on OAuth token path

[sampaiodiego]

@RocketChat/core

[wargamesqcf]

Tried method 1 and method 2 got this as an error, also using verison 3.2002 of WP Oauth server, and 55.1 of rocketchat
{"error":"invalid_client","error_description":"The client id supplied is invalid"}

My settings
http://i.imgur.com/gRlkOwe.png?1

From my logs I get this error

�[34mW20170421-02:18:26.645(0) (oauth.js:431) �[35mError in OAuth Server: Failed to fetch identity from wordpress at http://www.five-rings-online.net?oauth=me. Unexpected token <
�[34mI20170421-02:18:27.835(0) Exception while invoking method 'login' Error: Failed to fetch identity from wordpress at http://www.five-rings-online.net?oauth=me. Unexpected token < at CustomOAuth.getIdentity (/app/bundle/programs/server/packages/rocketchat_custom-oauth.js:206:17) at Object.handleOauthRequest (/app/bundle/programs/server/packages/rocketchat_custom-oauth.js:222:25) at OAuth._requestHandlers.(anonymous function) (packages/oauth2.js:27:31) at middleware (packages/oauth.js:203:5) at packages/oauth.js:176:5