[TASK] EXT:func Uniform extension directory structure

Moved the code from the mod1 directory to the Modules/AdvancedFunctions
directory.

Resolves: #68334
Releases: master
Change-Id: Idd3da42aab317d26b7af73d6820fb1f75d4250ee
Reviewed-on: http://review.typo3.org/41660


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Tested-by: Jigal van Hemert <jigal.van.hemert@typo3.org>