fix pagination translations and pluralization

If a message does not contain '\n', pluralize is not called. Also
replace {{ hidden_replies }} with {{ n }}.

isso/js/app/i18n.js

@@ -55,7 +55,9 @@ define(["app/config", "app/i18n/de", "app/i18n/en", "app/i18n/fr", "app/i18n/ru"
         var msg;
 
         msg = translate(msgid);
-        msg = plural(msg.split("\n"), (+ n));
+        if (msg.indexOf("\n") > -1) {
+            msg = plural(msg.split("\n"), (+ n));
+        }
 
         return msg ? msg.replace("{{ n }}", (+ n)) : msg;
     };

isso/js/app/i18n/de.js

@@ -15,7 +15,7 @@ define({
     "comment-deleted": "Kommentar gelöscht.",
     "comment-queued": "Kommentar muss noch freigeschaltet werden.",
     "comment-anonymous": "Anonym",
-    "comment-hidden": "{{ hidden_replies }} versteckt",
+    "comment-hidden": "{{ n }} versteckt",
     "date-now": "eben jetzt",
     "date-minute": "vor einer Minute\nvor {{ n }} Minuten",
     "date-hour": "vor einer Stunde\nvor {{ n }} Stunden",

isso/js/app/i18n/en.js

@@ -18,7 +18,7 @@ define({
     "comment-deleted": "Comment deleted.",
     "comment-queued": "Comment in queue for moderation.",
     "comment-anonymous": "Anonymous",
-    "comment-hidden": "{{ hidden_replies }} Hidden",
+    "comment-hidden": "{{ n }} Hidden",
 
     "date-now": "right now",
     "date-minute": "a minute ago\n{{ n }} minutes ago",

isso/js/app/i18n/fr.js

@@ -15,7 +15,7 @@ define({
     "comment-deleted": "Commentaire supprimé.",
     "comment-queued": "Commentaire en attente de modération.",
     "comment-anonymous": "Anonyme",
-    "comment-hidden": "1 caché\n{{ hidden_replies }} cachés",
+    "comment-hidden": "1 caché\n{{ n }} cachés",
     "date-now": "À l'instant'",
     "date-minute": "Il y a une minute \n{{ n }} minutes",
     "date-hour": "Il y a une heure\n{{ n }} heures ",

isso/js/app/isso.js

@@ -54,16 +54,16 @@ define(["app/dom", "app/utils", "app/config", "app/api", "app/jade", "app/i18n",
         return el;
     };
 
-    var insert_loader = function(commentWrapper, lastcreated) {
+    var insert_loader = function(comment, lastcreated) {
         var entrypoint;
-        if (commentWrapper.id === null) {
+        if (comment.id === null) {
             entrypoint = $("#isso-root");
-            commentWrapper.name = 'null';
+            comment.name = 'null';
         } else {
-            entrypoint = $("#isso-" + commentWrapper.id + " > .text-wrapper > .isso-follow-up");
-            commentWrapper.name = commentWrapper.id;
+            entrypoint = $("#isso-" + comment.id + " > .text-wrapper > .isso-follow-up");
+            comment.name = comment.id;
         }
-        var el = $.htmlify(jade.render("comment_loader", {"comment": commentWrapper}));
+        var el = $.htmlify(jade.render("comment-loader", {"comment": comment}));
 
         entrypoint.append(el);
 
@@ -72,7 +72,7 @@ define(["app/dom", "app/utils", "app/config", "app/api", "app/jade", "app/i18n",
                 el.remove();
                 api.fetch($("#isso-thread").getAttribute("data-isso-id"),
                     config["reveal-on-click"], config["max-comments-nested"],
-                    commentWrapper.id,
+                    comment.id,
                     lastcreated).then(
                     function(rv) {
                         if (rv.total_replies === 0) {