def load_yaml_configuration
      yaml_config = YAML.load_file("#{@rails_root_dir}/config/chronuscop.yml")
      @redis_db_number = yaml_config[@rails_environment]['redis_db_number']
      @redis_server_port = yaml_config[@rails_environment]['redis_server_port']
      @project_number = yaml_config[@rails_environment]['project_number']
      @api_token = yaml_config[@rails_environment]['api_token']
      @chronuscop_server_address = yaml_config[@rails_environment]['chronuscop_server_address']
      @sync_time_interval = yaml_config[@rails_environment]['sync_time_interval']
    end
def load_yaml_configuration
      yaml_config = YAML.load_file("#{@rails_root_dir}/config/chronuscop.yml")
      @redis_db_number = yaml_config[@rails_environment]['redis_db_number']
      @redis_server_port = yaml_config[@rails_environment]['redis_server_port']
      @project_number = yaml_config[@rails_environment]['project_number']
      @api_token = yaml_config[@rails_environment]['api_token']
      @chronuscop_server_address = yaml_config[@rails_environment]['chronuscop_server_address']
      @sync_time_interval = yaml_config[@rails_environment]['sync_time_interval']
    end
rails root directory must be set before calling this.