Twitter Oauth 認証の流れ

1.    POST oauth/request_token
      https://api.twitter.com/oauth/request_token



2.    GET oauth/authorize
      https://api.twitter.com/oauth/authorize



3.   POST oauth/access_token
     https://api.twitter.com/oauth/access_token



例   http://hpapi.blogspot.jp/2013/09/post-oauthrequesttoken.html
      POST oauth/request_token 成功