Updated core

Project: help  25c9d4abf6ce26ab213782723ee17f286e77b3b0

Try to fix critical errors in Pootle.

Plus some minor improvements

Change-Id: I8cb1d1cf4faaf083fd0dda3d1a2197cdf4c32dc9
Reviewed-on: https://gerrit.libreoffice.org/54003Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Sophia Schröder <sophia.schroeder@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>

helpcontent2 @ 25c9d4ab

-Subproject commit 49076d176daea11abbb789a84c8a9e32f2ee9144
+Subproject commit 25c9d4abf6ce26ab213782723ee17f286e77b3b0