Fix EZP-20570: ezcsvimport uses the storage-dir as filename if an ezimage is empty
Merge pull request #575 from charlycoste/patch-2

Fix EZP-20570: ezcsvimport uses the storage-dir as filename if an ezimage is empty
Fix EZP-22447: Removed content still shows on frontend until http cache expires

This patch adds assigned nodes to view cache clear node list *before* it
is removed.
This allows reverse proxies to clear their cache related to assigned
nodes, as once the content is removed, there is no assigned nodes any
more.
Fix EZP-22446: AllowedRedirectHosts fix won't work with ports
EZP-22204: Documented the 'nossl' setting + fix
Merge pull request #904 from ezsystems/EZP-22204-sslzone_doc

EZP-22204: Documented the 'nossl' setting + fix