Update default theme footer

themes/default/index.twig

@@ -39,9 +39,9 @@
 
     <footer id="footer">
         <div class="inner">
-            <a href="http://picocms.org/">Pico</a>
-            was made by <a href="http://gilbert.pellegrom.me">Gilbert Pellegrom</a>
-            from <a href="http://dev7studios.com">Dev7studios</a>.
+            <a href="http://picocms.org/">Pico</a> was made by <a href="http://gilbert.pellegrom.me">Gilbert Pellegrom</a>
+            and is maintained by <a href="https://github.com/picocms/Pico/graphs/contributors">The Pico Community</a>.
+            Released under the <a href="https://github.com/picocms/Pico/blob/master/LICENSE.md">MIT license</a>.
         </div>
     </footer>