This is required as a groundwork before introducing timezone
handling in backend date fields.
Since version "4.17.37" eonasdan-bootstrap-datetimepicker
supports timezones.

Resolves: #69937
Releases: master
Change-Id: I560e353b4dc11898502e34eb90cd27dae3522cfe
Reviewed-on: http://review.typo3.org/43414


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>