* Automatic bounce management based on 2 tasks :
	eval_bouncers sets a bouncing score for bouncers.
	process_bouncers will either notify or remove them
The list config defines 2 bouncing levels (rate, action and notification).
* New purge_orphan_bounces task that removes archived bounces files concerning
old subscribers


git-svn-id: https://subversion.renater.fr/sympa/trunk@1958 05aa8bb8-cd2b-0410-b1d7-8918dfa770ce