#855 - URL Cleanup.

This commit updates URLs to prefer the https protocol. Redirects are not followed to avoid accidentally expanding intentionally shortened URLs (i.e. if using a URL shortener).

# Fixed URLs

## Fixed Success
These URLs were fixed successfully.

* http://www.apache.org/licenses/LICENSE-2.0 migrated to:
  https://www.apache.org/licenses/LICENSE-2.0 ([https](https://www.apache.org/licenses/LICENSE-2.0) result 200).
* http://static.springframework.org/spring/docs/5.1.x/javadoc-api (301) migrated to:
  https://docs.spring.io/spring/docs/5.1.x/javadoc-api ([https](https://static.springframework.org/spring/docs/5.1.x/javadoc-api) result 301).
* http://github.com/SpringSource/spring-hateoas migrated to:
  https://github.com/SpringSource/spring-hateoas ([https](https://github.com/SpringSource/spring-hateoas) result 301).
* http://www.spring.io migrated to:
  https://www.spring.io ([https](https://www.spring.io) result 301).
* http://docs.oracle.com/javase/8/docs/api migrated to:
  https://docs.oracle.com/javase/8/docs/api ([https](https://docs.oracle.com/javase/8/docs/api) result 302).
* http://repo.spring.io/libs-snapshot migrated to:
  https://repo.spring.io/libs-snapshot ([https](https://repo.spring.io/libs-snapshot) result 302).

# Ignored
These URLs were intentionally ignored.

* http://maven.apache.org/POM/4.0.0
* http://maven.apache.org/xsd/maven-4.0.0.xsd
* http://www.w3.org/2001/XMLSchema-instance

mvnw.cmd

@@ -7,7 +7,7 @@
 @REM "License"); you may not use this file except in compliance
 @REM with the License.  You may obtain a copy of the License at
 @REM
-@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM    https://www.apache.org/licenses/LICENSE-2.0
 @REM
 @REM Unless required by applicable law or agreed to in writing,
 @REM software distributed under the License is distributed on an