fix(endpoint:thing): use Express 4 syntax

Author: kingcody

app/templates/server/api/thing/thing.controller(models).js

@@ -17,23 +17,23 @@ var Thing = sqldb.Thing;<% } %>
 function handleError(res, statusCode) {
   statusCode = statusCode || 500;
   return function(err) {
-    res.send(statusCode, err);
+    res.status(statusCode).send(err);
   };
 }
 
 function responseWithResult(res, statusCode) {
   statusCode = statusCode || 200;
   return function(entity) {
     if (entity) {
-      return res.json(statusCode, entity);
+      return res.status(statusCode).json(entity);
     }
   };
 }
 
 function handleEntityNotFound(res) {
   return function(entity) {
     if (!entity) {
-      res.send(404);
+      res.status(404).end();
       return null;
     }
     return entity;
@@ -58,7 +58,7 @@ function removeEntity(res) {
       <% if (filters.mongooseModels) { %>return entity.removeAsync()<% }
          if (filters.sequelizeModels) { %>return entity.destroy()<% } %>
         .then(function() {
-          return res.send(204);
+          return res.status(204).end();
         });
     }
   };