This reverts commit ab9c578e, except for
the problematic copy-all-SRCDIR top-level test.

Change-Id: Ie9c2fd725199768ec04852a9bc09b09a331ce6ad
Reviewed-on: https://gerrit.libreoffice.org/31092Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>