Remove jshint comments and update istanbul comments

lib/utils.js

@@ -94,6 +94,7 @@ function replyInOrder (self, callback, err, res, queue) {
     // If the queue is explicitly passed, use that, otherwise fall back to the offline queue first,
     // as there might be commands in both queues at the same time
     var command_obj;
+    /* istanbul ignore if: TODO: Remove this as soon as we test Redis 3.2 on travis */
     if (queue) {
         command_obj = queue.peekBack();
     } else {