[TASK] Replace ClassLoader cache with standard caches

The class loader can now use all available cache backends
for retrieval of class loading information.

Using it with APC for example brings a good performance
boost.

Resolves: #53744
Releases: 6.2
Change-Id: I55db9686fa2d5b6462b4cb56c452ad2e99e1d2e7
Reviewed-on: https://review.typo3.org/25489
Reviewed-by: Wouter Wolters
Reviewed-by: Markus Klein
Tested-by: Markus Klein
Reviewed-by: Alexander Opitz
Tested-by: Alexander Opitz
Reviewed-by: Thorsten Kahler
Tested-by: Thorsten Kahler