Merge Abhilash's latest revisions.
Remove some unused stuff.
Add the [logging.database] section and use it to configure the SQLAlchemy and
Alembic loggers.
Merge Barry's changes
Merge Aurélien Bompard's latest merge branch, with some cleaning up by Barry.
Move alembic settings to a separate alembic.cfg.
Remove some unnecessary code.
Use print() to smooth over the SA return of Python longs in PostgreSQL.
Importer: encode_ascii_prefixes need to be converted to bool
new changes from abompard
Fix doctests with PostgreSQL

- drop the tables after the whole testsuite has run
- don't expose DB ids in the doctests
- sort lists by list-id in the ListManager

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modified:
  src/mailman/app/docs/moderator.rst
  src/mailman/commands/docs/withlist.rst
  src/mailman/database/base.py
  src/mailman/model/docs/mailinglist.rst
  src/mailman/model/domain.py
  src/mailman/model/listmanager.py
  src/mailman/rest/docs/moderation.rst
  src/mailman/testing/layers.py
postgres test failures fixes by abompard
sqlalchemy branch fixes