Merge branch issue#161.2 with dev

Update to "Administration > Mail obsolete project"

New "Send mail without extension" button, that sends the purge demand mail without the content related to retention extension.

issue#161

changed milestone to %V3.2.7

added Enhancement label

added 1 commit

• 848db491 - Update to utils.php

Compare with previous version

merged

mentioned in commit 9ded8886

Validated in test server. Mail received are ok.