code: function(user) {
                  console.log('oauthInterface.user.create', user);
  
                  return this.request({
                          url: this._buildUri(this.uri),
                          method: corbel.request.method.POST,
                          headers: {
                              Authorization: 'Basic ' + this.getSerializer()(this.clientId + ':' + this.clientSecret)
                          },
                          dataType: 'text',
                          data: user
                      })
                      .then(function(res) {
                          return corbel.Services.getLocationId(res);
                      });
              }
docs: Adds a new user to the oauth server.
  
  @method
  @memberOf corbel.Oauth.UserBuilder
  
  @param {Object} user    The user to be created
  
  @return {Promise} A promise with the id of the created user or fails
  with a {@link corbelError}.