URL Cleanup

[spring-operator]

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 switched to an https URL with a 2xx status. While the status was successful, your review is still recommended.

• [ ] http://www.apache.org/licenses/ with 2 occurrences migrated to:
  https://www.apache.org/licenses/ (https result 200).
• [ ] http://www.apache.org/licenses/LICENSE-2.0 with 282 occurrences migrated to:
  https://www.apache.org/licenses/LICENSE-2.0 (https result 200).

[cf-gitbot]

We have created an issue in Pivotal Tracker to manage this:

https://www.pivotaltracker.com/story/show/164792699

The labels on this github issue will be updated when the story is started.

[dnfclas]

All CLA requirements met.