Bugs injected by PR#1286

🚸 — Add anchors to prefs to ease linking (like in FAQ, etc.)

Remind name of the opened list in the notification

Typo in PR#1307

Migration to the new domain (1)

Database: Nested transaction crashes

As most of RDBMS do not support nested transactions, only the outermost transaction should be available.

Test: `add` request omits `quiet` option

Upgrade: some parameters in list config files may be removed

Adding "Steps to reproduce" section.

+ change h4 tags to h3, since it doesn’t semantically make sense

Upgrade: During upgrade from Sympa prior to 6.2b.1, some parameters in list config files may be removed.

Improve xgettext.pl

More fixes for #1286

Show list names when purging closed lists

🙈 — Update .gitignore

When opening pending list, we have a notification `Aliases have been installed.`
but it may be useful to have a reminder of the list we opened (when mass
opening the pending lists, for ex.).

Compilation creates some new files that we need to ignore