docs: def normalize_cert_dir():
      '''
          Put old cerfificate form to new one
      '''
      current_cn = get_crt_common_name()
  
      if not os.path.isdir(COZY_CONFIG_PATH):
          print 'Need to create {}'.format(COZY_CONFIG_PATH)
          os.mkdir(COZY_CONFIG_PATH, 0755)
  
      if not os.path.isdir(CERTIFICATES_PATH):
          print 'Need to create {}'.format(CERTIFICATES_PATH)
          os.mkdir(CERTIFICATES_PATH, 0755)
  
      if not os.path.isdir(ACME_PRIVATE_PATH):
          print 'Need to create {}'.format(ACME_PRIVATE_PATH)
          os.mkdir(ACME_PRIVATE_PATH, 0700)
  
      if os.path.isfile(OLD_CERTIFICATE_PATH) and \
              not os.path.islink(OLD_CERTIFICATE_PATH):
          target = '{}/{}.crt'.format(CERTIFICATES_PATH, current_cn)
          print 'Move {} to {}'.format(CERTIFICATES_PATH, target)
          os.rename(OLD_CERTIFICATE_PATH, target)
      else:
          print 'Nothing to do for {}'.format(OLD_CERTIFICATE_PATH)
  
      if os.path.isfile(OLD_PRIVATE_KEY_PATH) and \
              not os.path.islink(OLD_PRIVATE_KEY_PATH):
          target = '{}/{}.key'.format(CERTIFICATES_PATH, current_cn)
          print 'Move {} to {}'.format(OLD_PRIVATE_KEY_PATH, target)
          os.rename(OLD_PRIVATE_KEY_PATH, target)
      else:
          print 'Nothing to do for {}'.format(OLD_PRIVATE_KEY_PATH)
  
      if current_cn:
          make_links(current_cn)