[FEATURE] EXIF / IPTC Extractor

As EXIF / IPTC metadata are very likely to be stripped off
and FAL in TYPO3 6.2 supports some standard metadata such
as creator, geolocation, ... it would be useful to populate
them while resizing images (so only for resized images).

Change-Id: I4e89eb1240d0d9a804fa490a6ba4c6bd916c38fd
Resolves: #54247
Reviewed-on: https://review.typo3.org/25981
Reviewed-by: Xavier Perseguers
Tested-by: Xavier Perseguers