[TASK] Install Tool: Validate database name against MySQL restrictions

MySQL only allows a limited set of characters in unquoted database
names. As the database name can't be quoted for compatibility with DBAL,
the name gets validated against the given restrictions.

Resolves: #51093
Releases: master
Change-Id: I42a0fbf0c6f724245090ad503c8198372f7359d3
Reviewed-on: http://review.typo3.org/43016


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Xavier Perseguers <xavier@typo3.org>