Add supernova and blank page for logs

frontend/app/templates/base.html

@@ -54,7 +54,7 @@
             <li class="active"><a href="reco.html">Reco</a></li>
           </ul>
           <ul class="nav navbar-nav">
-            <li class="active"><a href="sn.html">SN</a></li>
+            <li class="active"><a target="_blank" href="http://antorcamm2.in2p3.fr/supernova/">SN</a></li>
           </ul>
           <ul class="nav navbar-nav">
             <li class="active"><a href="top10.html">Top10</a></li>
@@ -66,7 +66,7 @@
             <li class="active"><a href="logs.html">Logs</a></li>
           </ul>
           <ul class="nav navbar-nav">
-            <li class="active"><a href="https://git.km3net.de/km3py/km3mon/issues">Issues</a></li>
+            <li class="active"><a target="_blank" href="https://git.km3net.de/km3py/km3mon/issues">Issues</a></li>
           </ul>
           <ul class="nav navbar-nav navbar-right">
             <li>