Add tooltips for tchat buttons

lib/Vroom/I18N/en.pm

@@ -43,6 +43,8 @@ our %Lexicon = (
   "SUSPEND_CAM"                          => "Suspend your webcam, other will see a black screen instead, but can still hear you",
   "LOGOUT"                               => "Leave the room",
   "SET_YOUR_NAME_TO_CHAT"                => "You need to set your name to be able to chat",
+  "SEND_MESSAGE"                         => "Send the message",
+  "SAVE_HISTORY"                         => "Save history to a file",
   "MIC_MUTED"                            => "Your microphone is now muted",
   "MIC_UNMUTED"                          => "Your microphone is now unmuted",
   "CAM_SUSPENDED"                        => "Your webcam is now suspended",

lib/Vroom/I18N/fr.pm

@@ -48,6 +48,8 @@ our %Lexicon = (
                                                    "mais pourront toujours vous entendre",
     "LOGOUT"                                    => "Quitter le salon",
     "SET_YOUR_NAME_TO_CHAT"                     => "Vous devez saisir votre nom avant de pouvoir tchater",
+    "SEND_MESSAGE"                              => "Envoyer le message",
+    "SAVE_HISTORY"                              => "Sauvegarder l'historique dans un fichier",
     "MIC_MUTED"                                 => "Votre micro est coupé",
     "MIC_UNMUTED"                               => "Votre micro est à nouveau actif",
     "CAM_SUSPENDED"                             => "Votre webcam est en pause",

templates/default/join.html.ep

@@ -133,11 +133,11 @@
           <div class="input-group">
             <textarea class="form-control" id="chatBox" form_id="chatForm" placeholder="<%=l 'SET_YOUR_NAME_TO_CHAT' %>" rows=1 disabled></textarea>
             <span class="input-group-btn">
-              <button type="submit" class="btn btn-default">
+              <button type="submit" class="btn btn-default help" data-toggle="tooltip" data-placement="bottom" title="<%=l 'SEND_MESSAGE' %>">
                 <span class="glyphicon glyphicon-share-alt">
                 </span>
               </button>
-              <button type="button" id="saveChat" class="btn btn-default">
+              <button type="button" id="saveChat" class="btn btn-default help" data-toggle="tooltip" data-placement="bottom" title="<%=l 'SAVE_HISTORY' %>">
                 <span class="glyphicon glyphicon-floppy-save">
                 </span>
               </button>