[TASK] Central function for escaping of shell-args

Instead of doing a (locale-aware) escaping in various
places use a central utility-function.

Change-Id: If0486b340543c33fc0794d754af81a4a666988c3
Resolves: #39928
Releases: master
Reviewed-on: http://review.typo3.org/35959


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>