[TASK] Reformats with namespaces for TYPO3 > 6.0

Resolves: #52869
Releases: 6.2
Change-Id: I36fec91b1e1a811e8c63e726613f8de8378f6bdc
[TASK] Fixes CGL in ext_emconf.php

Change-Id: Ifd130c0fc0e682f7706253e81d48354712f4a2ac