(#----) Update privacy policy

Author: squaregoldfish

WebApp/WebContent/index.xhtml

@@ -20,9 +20,10 @@
         </p>
         <p>
           The only personal information stored on this site is your name
-          and email address. These are used to identify you on the site and
-          for no other purpose. Metadata related to datasets generated on this
-          site are handled by external systems.
+          and email address. These are used for authentication and (where applicable)
+          for QuinCe data reviewers to be able to contact you to discuss your data.
+          Your information is not transmitted outside QuinCe; metadata related to datasets
+          generated on this site are handled by external systems.
         </p>
         <p>
           Map tiles are provided by <a href="https://www.openstreetmap.org">OpenStreetMap</a>.