Bug fixes

Changes since 8.x-1.0-beta4:

• #3116434 by Spokje: commerce_realex doesn't send userID and orderId to Realex anymore

Changes since 8.x-1.0-beta3:

• #3114353 by anthonylindsay: Support for Redirect to HPP (instead of Lightbox)

• Replaces Instagram Legacy API* with Basic Display API: New accounts and reauthentication are mandatory!

* Instagram Legacy API Platform will be disabled on March 31, 2020: https://developers.facebook.com/blog/post/2019/10/15/launch-instagram-ba...

Fix isset issue on getMessages

Issue #2954663: Encrypt the xoxb- and xoxb- API tokens
Remove all deprecations
Other small coding tweaks

* Issue #3122628 by VladimirAus: PHPCS and upgrade status warnings fixes
* Issue #3009382 by VladimirAus, neclimdul: CSRF on delete url
* Issue #3117996 by neelam_wadhwani, VladimirAus: All dependencies must be prefixed with the project name
* Issue #3117989 by prabha1997, VladimirAus: Drupal 9: remove deprecated function calls
* Added tests, removed features context.
* Added code review suggestions.