propagate renaming privacy policy

_config.yml

@@ -102,5 +102,5 @@ accept_all_text: >-
   Aggregate statistics cookies accepted
 only_necessary_text: >-
   Only necessary cookies accepted
-path_policy: privacyPolicy
+path_policy: privacy_policy
 timeout_hidebanner: 500 # milliseconds
\ No newline at end of file

_includes/policy.html

 <p>
-    <a href="privacyPolicy">Privacy Policy</a>
+    <a href="privacy_policy">Privacy Policy</a>
      (<span id="gdpr-result-text"></span> - <a href="javascript: showBanner();">change</a>)
 </p>
\ No newline at end of file