Update website links now that release is live.

download.html

@@ -57,7 +57,7 @@
           <p>
             Thank you to everyone who tested the beta version! We've fixed a lot of bugs and made many improvements thanks to your feedback.
           <p>
-            <a href="https://play.google.com/apps/testing/org.briarproject.briar.android" rel="noopener noreferrer" target="_blank"><img id="playbutton" src="img/google_play_badge_web_generic.png" alt="Get it on Google Play" border="0"/></a>
+            <a href="https://play.google.com/store/apps/details?id=org.briarproject.briar.android" rel="noopener noreferrer" target="_blank"><img id="playbutton" src="img/google_play_badge_web_generic.png" alt="Get it on Google Play" border="0"/></a>
             <a href="fdroid.html"><img id="fdroidbutton" src="img/fdroid_badge.png" alt="Get it on F-Droid" border="0"/></a>
           </p>
 

index.html

@@ -66,7 +66,7 @@
             <li>Free and open source software</li>
           </ul>
 
-          <a href="https://play.google.com/apps/testing/org.briarproject.briar.android" rel="noopener noreferrer" target="_blank"><img id="playbutton" src="img/google_play_badge_web_generic.png" alt="Get it on Google Play" border="0"/></a>
+          <a href="https://play.google.com/store/apps/details?id=org.briarproject.briar.android" rel="noopener noreferrer" target="_blank"><img id="playbutton" src="img/google_play_badge_web_generic.png" alt="Get it on Google Play" border="0"/></a>
           <a href="fdroid.html"><img id="fdroidbutton" src="img/fdroid_badge.png" alt="Get it on F-Droid" border="0"/></a>
 
         </div> <!-- intro -->