Merge branch 'master' into SANDBOX

app/service/forumThreadService.js

@@ -820,7 +820,7 @@ function getSubThreads(doc, sort, callback) {
         } else {
             var lastResult = results[2];
             lastResult.subThreads.docTotal = results[1] || 0;
-            lastResult.subThreads.total = results[0].size();
+            lastResult.subThreads.total = results[0].length;
             callback(null, lastResult);
         }
     });