Committing transactions DOES help, who could have foreseen this.
Also: expose the PostgreSQL port 5432 to local 15432 via docker-compose
file. Please point me to a cleaner solution, as that port-mapping is clearly not
required except for testing.
Signed-off-by: Maximilian Seifert <max.seifert@drglitch.net>
Fix Docker files which had been forgotten in #594 and update scripts and docs to remove references to gb.
I also removed the `jenkins` directory which is outdated. We can revert f8d7e99 if we realise that it was a mistake to do so.
