New features

Initial production release.

Various bug fixes and new features:

Issue #2921876 by xdevx, dev.patrick: Convert few arrays to new coding standard
Fixed PHP Code Sniffer issues.
Added Test Case.

Changes in Alpha2:

- Supported theme definition
- Implemented separated cache table
- Implemented performance boost
- Provided Drush commands to export existing display configuration

• Issue #2922107: Updated [Custom Permissions] module from 8.1.0 to 8.1.1, as Custom Permissions module had a - Moderately critical - Access bypass - SA-CONTRIB-2017-083.
• Issue #2922107: Updated the patch for [Custom Permissions] module on the issue of When [content_translation, config_translate] module are enabled, And enabled [Custom Permissions], Then we will get Route "custom_perms_select_list_form" does not exist, Varbase websites are safe, as we had this managed long time ago at this issue link.
• Issue #2921785: Updated [DRD Agent] module from 8.3.4 to 8.3.5
• Issue #2922156: Varbase 8.4.12: Updated [CHANGELOG.md, UPDATE.md] files and filtered the code for Drupal 8 Coding Standard.