fix(errors): set correct html title for error page

app.js

@@ -142,6 +142,7 @@ app.use(function (err, request, response, next) {
   // Set locals, only providing error in development
   response.locals.error = request.app.get('env') === 'development' ? err : {}
   response.locals.error.status = err.status || 500
+  response.locals.title = 'Error'
   // Render the error page
   response.status(err.status || 500)
   response.render('error')