[TASK] Cleanup new files

[TASK] Cleanup new files

Fix CGL issues and namespace typehints including:
* Long running lines
* Not lower camelcase variables
* Copyright year
* Cleanup Comments

Resolves: #41453
Releases: 6.0

Change-Id: I39bccb17f5bebf457051b86a5a69ec54a8bb9f19
Reviewed-on: http://review.typo3.org/15143
Reviewed-by: Wouter Wolters
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe