def load!(path)
      settings = YAML.load(ERB.new(File.new(path).read).result)
      if settings.present?
        from_hash(settings)
      end
    end
def load!(path)
      settings = YAML.load(ERB.new(File.new(path).read).result)
      if settings.present?
        from_hash(settings)
      end
    end
Load the settings from a compliant easyrsa.yml file. This can be used for
 easy setup with frameworks other than Rails.

 @example Configure easyrsa.
   easyrsa.load!("/path/to/easyrsa.yml")

 @param [ String ] path The path to the file.