[FEATURE] Add command to dump class loading information

Releases: master
Resolves: #68589
Change-Id: I57debc378de1f831e2d06d16ac61b6ed6df45e2c
Reviewed-on: http://review.typo3.org/42046


Reviewed-by: Sascha Egerer <sascha@sascha-egerer.de>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Tested-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>