Local/Hack: Set advance time for Versoehnungsbund to 28 days
WIP: Disable PHP timeouts for long-running actions

Generating upcoming recurring payments, as well as batching / batch
status change actions, can take quite a long time -- especially on slow
shared servers. Thus we try to disable the PHP timeout before starting
these actions, so they get a better chance of completing...
Merge branch 'dico-wip' into versoehnungsbund
Local: New private version: versoehnungsbund-production-4