housekeeping: use HTTPS links in README.md (#5651)

Author: coliff

README.md

@@ -60,7 +60,7 @@ Swagger UI Version | Release Date | OpenAPI Spec compatibility | Notes
 ##### Integration Tests
 
 You will need JDK of version 7 or higher as instructed here
-http://nightwatchjs.org/gettingstarted#selenium-server-setup
+https://nightwatchjs.org/gettingstarted/#selenium-server-setup
 
 Integration tests can be run locally with `npm run e2e` - be sure you aren't running a dev server when testing!
 
@@ -87,7 +87,7 @@ Copyright 2019 SmartBear Software
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
-You may obtain a copy of the License at [apache.org/licenses/LICENSE-2.0](http://www.apache.org/licenses/LICENSE-2.0)
+You may obtain a copy of the License at [apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,