Bug fixes

Override the Current active theme css files

This release adds PHP 7.2 compatibility.

This is a bugfix release and addresses the following issues:

Note about update.php:
The primary difference between CKEditor custom config 8.x-2.x and 8.x-1.x is that custom configuration is now stored with the configuration of individual editors instead of being stored globally. During the upgrade process, the global configuration is copied to all CKEditor editors.

Changes since 7.x-1.3:

• Fixed many coding standard mistakes on search_api_xapian submodule.
• Fixed many coding standard mistakes on xapian submodule.
• Do not fail when the database was removed.
• Add install instructions for Debian 9.
• Follow search_api, boost may not be declared on the index item.
• php-cs auto-fixes

Changes since 8.x-2.07: