update the OpenPhoto link to point to current.openfoto.me.

issue #1925

resources/views/about.ejs

@@ -9,7 +9,7 @@
             <article class="blurb">
                 <div class="info first">
                     <h1>Persona replaces multiple passwords</h1>
-                    <p>Sites such as <a href="http://crossword.thetimes.co.uk/">The Times Crossword</a>, <a href="http://openphoto.net/">OpenPhoto</a> and <a href="https://www.voo.st/">Voost</a> use Persona instead of usernames to sign you in.</p><p>This means you only need one password to sign in to many sites.</p>
+                    <p>Sites such as <a href="http://crossword.thetimes.co.uk/">The Times Crossword</a>, <a href="http://current.openphoto.me/">OpenPhoto</a> and <a href="https://www.voo.st/">Voost</a> use Persona instead of usernames to sign you in.</p><p>This means you only need one password to sign in to many sites.</p>
                 </div>
 
                 <div class="graphic">