[TASK] Update Install Tool text

This commit is intented to improve the language
used in the Install Tool and each of its modules.

[+] Review title,subtitle and description for
each action available and update/amend where required.

Resolves: #84891
Releases: master
Change-Id: I7f71f85ae86c37786870b2c30511673fe28da7c2
Reviewed-on: https://review.typo3.org/56825


Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Tested-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Jan Helke <typo3@helke.de>
Reviewed-by: Jan Helke <typo3@helke.de>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>