base_controller.rb {�R�U class API::V1::BaseController < ApplicationController skip_before_filter :verify_authenticity_token before_filter :cors_preflight_check after_filter :cors_set_access_control_headers def cors_set_access_control_headers headers['Access-Control-Allow-Origin'] = '*' headers['Access-Control-Allow-Methods'] = 'POST, GET, PUT, DELETE, OPTIONS' headers['Access-Control-Allow-Heade