Bug 33720: Update the updatedatabase.pl script to flush caches before running

Bug 33720: Update the updatedatabase.pl script to flush caches before running

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 4391e23ea573bdf4ebec4e5abfc86eb87d504390)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
(cherry picked from commit 834245b70996f842eea08c33c7dd62a8f94ee99d)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>