Load all the assets via HTTPS

themes/light/index.html.tmpl

@@ -128,7 +128,7 @@
 		                <p>
 		                <strong>Ultimo aggiornamento:</strong><br><span class="date-to-fix"><TMPL_VAR date></span></p>
                             <p class="copyright">
-                            <a href="http://intertwingly.net/code/venus/"><img src="http://planet.ubuntu-it.org/images/planet.png" width="80" height="15" alt="Planet" border="0"></a> <br />
+                            <a href="http://intertwingly.net/code/venus/"><img src="https://planet.ubuntu-it.org/images/planet.png" width="80" height="15" alt="Planet" border="0"></a> <br />
 	        Ubuntu e Canonical sono marchi registrati da Canonical Ltd.</p>
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