[!!!][FEATURE] Replace file feature for FAL file list

Provides a new button "replace" at the extended view in FAL equal to
DAM. Its possible to replace a file
* with a new one -> old file will be overwritten; identifier of the file
object will be kept
* with a new one -> old file will be deleted; identifier of the file
object will be changed to the new filename

The file replacing also respects unique filenames.

To allow editors to replace files the need the "Files: Replace"
permissing needs to be set.

Change-Id: If5882ef620135d4e7238eb8bb56f020304cd1c0c
Resolves: #56133
Releases: master
Reviewed-on: http://review.typo3.org/40797


Reviewed-by: Frans Saris <franssaris@gmail.com>
Tested-by: Frans Saris <franssaris@gmail.com>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>