family_signoff action no longer does use one-time ticket.

Update subscribe.* and unsubscribe.* scenarios: Authentication is required when anonymous/other user requested these actions.  Previously, if "open" scenario was used, an anonymous user on web interface could add subscriber without confirmation.

- sympa_wizard.pl.in is placed in sbindir to keep compatibility with 6.1.
- aliaswrapper.c and virtualwrapper.c are no longer built.
- sympa_newaliases.pl.in and sympa_newaliases-wrapper.c are added in sbindir and libexecdir.


git-svn-id: https://subversion.renater.fr/sympa/branches/sympa-6.2-branch@10649 05aa8bb8-cd2b-0410-b1d7-8918dfa770ce

[svn] Reintegrating and closing branch sympa-dkim. this is the end of the side development of the DKIM feature for Sympa. DON'T FORGET TO INCLUDE THE COMMIT LOGS FROM THAT BRACNH TO THE NEWS FILE BEFORE RELEASING THE NEXT VERSION.



git-svn-id: https://subversion.renater.fr/sympa/trunk@6187 05aa8bb8-cd2b-0410-b1d7-8918dfa770ce

New features :
 * Message topics : List members can subscribe to one or more predefined message topics. They will only recieve those messages that have the appropriate tag. tagging can be performed by the message sender, moderators or in an automatic way.
 * Redesigned the message distribution subroutines. The new organization is described in a new section of the reference manual entitled "Internals"
 * Reorganisation of error reports (mail and web interface) to provide more precise error notification.


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