[TASK] New bugfix release 2.5.2

Updated exr_emconf.php

Change-Id: Ide47d06f8499d295cbea8c3cfd1808c0b6c7269d
Reviewed-on: https://review.typo3.org/18357
Reviewed-by: Nico de Haen
Tested-by: Nico de Haen
Support native dates

Change-Id: Ib516212571da75cb78faf09a3e325dc815ca82d7