Minor fixes in auth modal dialog

lib/Vroom/I18N/en.pm

@@ -122,7 +122,6 @@ our %Lexicon = (
   "PROTECT_ROOM_WITH_PASSWORD"           => "If this password is set, participants will have to type it before the system let them in",
   "ERROR_COMMON_ROOM_NAME"               => "Sorry, this room name is too comon to be reserved",
   "AUTHENTICATE"                         => "Authentication",
-  "AUTH_TO_MANAGE_THE_ROOM"              => "Authenticate to manage the room",
   "ADD_NOTIFICATION"                     => "Add a notification",
   "ADD_THIS_ADDRESS"                     => "Add this address",
   "REMOVE_THIS_ADDRESS"                  => "Remove this address",

lib/Vroom/I18N/fr.pm

@@ -128,7 +128,6 @@ our %Lexicon = (
                                                    "rejoindre le salon",
     "ERROR_COMMON_ROOM_NAME"                    => "Désolé, le nom de ce salon est trop commun pour être réservé",
     "AUTHENTICATE"                              => "Authentification",
-    "AUTH_TO_MANAGE_THE_ROOM"                   => "Authentifiez-vous pour gérer le salon",
     "ADD_NOTIFICATION"                          => "Ajouter une notification",
     "ADD_THIS_ADDRESS"                          => "Ajouter cette adresse",
     "REMOVE_THIS_ADDRESS"                       => "Supprimer cette adresse",

templates/default/auth_modal.html.ep

@@ -6,14 +6,11 @@
               ×
             </button>
             <h4 class="modal-title">
-              <%=l 'AUTHENTICATION' %>
+              <%=l 'AUTHENTICATE' %>
             </h4>
           </div>
           <div class="modal-body">
             <form class="form-horizontal" role="form" id="ownerAuthForm">
-              <p>
-                <%=l 'AUTH_TO_MANAGE_THE_ROOM' %>
-              </p>
               <div class="form-group">
                 <label for="ownerAuthPass" class="col-sm-4 control-label">
                   <%=l 'PASSWORD' %>