Fix alias overriding bug when changing names

When changing name (first name or last name), the new alias was tested against
existing aliases in email_source_account table but not against those in
email_source_other, where the homonyms are.

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Update AX letter logo
Happy New Year!

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Remove unused image htdocs/images/ax_mail_header_normal.jpg

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Merge branch 'xorg/maint'
cron/compliance.php: Smaller batches.
Improve clarity of https://www.polytechnique.org/emails

This page incorrectly reported potential conflicting emails as given for life.
Fix this displaying issue by dividing the emails addresses in 3 categories.

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Community letter: update article submission limitations

Limiting to 4 lines was too strict

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Fix bug with users in both group_members and group_former_members.
Csv and vcf extracts from groups are only for animators.
Addition to previous commit.
Validations: sort categories and fix French typo

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Sort validation categories on /admin/validate/answers

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
Activating 'hidden' visibility flag.

Signed-off-by: Victor Berger <victor.berger@m4x.org>
Fixes vim mode line.
Update core and banana.
Fix typo.

Signed-off-by: Victor Berger <victor.berger@m4x.org>
Fix bug on former users in group sync with lists.
NL bounces: Some MTA don't set Final-Recipient in their bounces but use Remote-Recipient instead

relay.supermarchesmatch.fr is such MTA

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>
NL bounces: treat "failed " as a failed action

Signed-off-by: Nicolas Iooss <nicolas.iooss_git@polytechnique.org>