pass the oauth_callback when getting the request token. this allows

developing on localhost by setting myHostname properly.
see: https://dev.twitter.com/docs/api/1/post/oauth/request_token

lib/modules/oauth.js

@@ -100,7 +100,7 @@ everyModule.submodule('oauth')
     }
 
     var p = this.Promise();
-    this.oauth.getOAuthRequestToken( function (err, token, tokenSecret, params) {
+    this.oauth.getOAuthRequestToken({ oauth_callback: this.myHostname() + this.callbackPath() }, function (err, token, tokenSecret, params) {
       if (err && !~(err.data.indexOf('Invalid / expired Token'))) {
         return p.fail(err);
       }