Deprecate cliKeys and cli_dispatch.phpsh
[TASK] Deprecate cliKeys logic and cli_dispatch.phpsh entrypoint
The way of calling CLI scripts from within TYPO3 via the "cliKeys"
functionality and the typo3/cli_dispatch.phpsh entrypoint have been
superseded by the new Symfony Console integration.
All code related to this functionality has been marked as deprecated.
Calling the CliRequestHandler (which is the main entry point for the
cli_dispatch.phpsh) will trigger a deprecation message warning.
Reviewed-by: Frank Nägler <email@example.com>
Tested-by: Frank Nägler <firstname.lastname@example.org>
Tested-by: TYPO3com <email@example.com>
Reviewed-by: Christian Kuhn <firstname.lastname@example.org>
Tested-by: Christian Kuhn <email@example.com>