Update credits for dependencies (fixes #2082)

gui/index.html

@@ -1151,15 +1151,16 @@
 
     <p translate>Syncthing includes the following software or portions thereof:</p>
     <ul class="list-unstyled two-columns">
-      <li><a href="http://golang.org/">The Go Programming Language</a>, Copyright &copy; 2012 The Go Authors.</li>
-      <li><a href="https://bitbucket.org/kardianos/osext">kardianos/osext</a>, Copyright &copy; 2012 Daniel Theophanes.</li>
-      <li><a href="https://code.google.com/p/snappy-go/">snappy-go</a>, Copyright &copy; 2011 The Snappy-Go Authors.</li>
-      <li><a href="https://github.com/golang/groupcache">groupcache/lru</a>, Copyright &copy; 2013 Google Inc.</li>
-      <li><a href="https://github.com/juju/ratelimit">juju/ratelimit</a>, Copyright &copy; 2014 Canonical Ltd.</li>
+      <li><a href="https://golang.org">The Go Programming Language</a>, Copyright &copy; 2012 The Go Authors.</li>
+      <li><a href="https://github.com/bkaradzic/go-lz4">bkaradzic/go-lz4</a>, Copyright &copy; 2011-2012 Branimir Karadzic, 2013 Damian Gryski.</li>
+      <li><a href="https://github.com/kardianos/osext">kardianos/osext</a>, Copyright &copy; 2012 Daniel Theophanes.</li>
+      <li><a href="https://github.com/golang/snappy">golang/snappy</a>, Copyright &copy; 2011 The Snappy-Go Authors.</li>
+      <li><a href="https://github.com/juju/ratelimit">juju/ratelimit</a>, Copyright &copy; 2015 Canonical Ltd.</li>
+      <li><a href="https://github.com/thejerf/suture">thejerf/suture</a>, Copyright &copy; 2014-2015 Barracuda Networks, Inc.</li>
       <li><a href="https://github.com/syndtr/goleveldb">syndtr/goleveldb</a>, Copyright &copy; 2012, Suryandaru Triandana</li>
       <li><a href="https://github.com/vitrun/qart">vitrun/qart</a>, Copyright &copy; The Go Authors.</li>
-      <li><a href="https://angularjs.org/">AngularJS</a>, Copyright &copy; 2010-2014 Google, Inc.</li>
-      <li><a href="http://getbootstrap.com/">Bootstrap</a>, Copyright &copy; 2011-2014 Twitter, Inc.</li>
+      <li><a href="https://angularjs.org/">AngularJS</a>, Copyright &copy; 2010-2015 Google, Inc.</li>
+      <li><a href="http://getbootstrap.com/">Bootstrap</a>, Copyright &copy; 2011-2015 Twitter, Inc.</li>
     </ul>
   </modal>