Notify on p2p failure

And terminate conenction with this peer
Fix #95

lib/Vroom/I18N/en.pm

@@ -18,6 +18,7 @@ our %Lexicon = (
   "ERROR_DB_UNAVAILABLE"                 => "The database is not available",
   "ERROR_DB_VERSION_MISMATCH"            => "The database must be updated",
   "ERROR_TOO_MANY_MEMBERS"               => "This room reached its members limit",
+  "ERROR_ESTABLISHING_P2P"               => "Cannot establish a connection with a participant",
   "JS_REQUIRED"                          => "VROOM needs javascript to work properly",
   "EMAIL_INVITATION"                     => "Video conference invitation",
   "INVITE_SENT_TO_s"                     => "An invitation was sent to the following addresses\n%s",

lib/Vroom/I18N/fr.pm

@@ -20,6 +20,7 @@ our %Lexicon = (
     "ERROR_DB_UNAVAILABLE"                      => "La base de données n'est pas accessible",
     "ERROR_DB_VERSION_MISMATCH"                 => "La base de donnée doit être mise à jour",
     "ERROR_TOO_MANY_MEMBERS"                    => "Ce salon a atteint sa limite de participants",
+    "ERROR_ESTABLISHING_P2P"                    => "Impossible d'établir une connexion avec un des participants",
     "JS_REQUIRED"                               => "VROOM nécessite l'activation du javascript",
     "EMAIL_INVITATION"                          => "Invitation à une conférence vidéo",
     "YOU_ARE_INVITED_TO_A_MEETING"              => "Vous êtes attendu sur un salon de vidéo conférence. " .

public/js/vroom.js

@@ -1631,6 +1631,18 @@ function initVroom(room) {
     }
   });
 
+  // Display an error if an error occures during p2p connection
+  function p2pFailure(peer){
+    peer.end();
+    $.notify(localize('ERROR_ESTABLISHING_P2P'));
+  }
+  webrtc.on('iceFailed', function(peer){
+    p2pFailure(peer);
+  });
+  webrtc.on('connectivityError', function(peer){
+    p2pFailure(peer);
+  });
+
   // Detect connection lost
   webrtc.connection.socket.on('disconnect', function(){
     setTimeout(function(){