[TASK] #5069 Rework the "inexact Google Maps" location feature

Change-Id: I83a44cef50d281e56cb75f0c44c7c1b7167a2775
Reviewed-on: http://review.typo3.org/32052
Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Tested-by: Oliver Klee <typo3-coding@oliverklee.de>