Issue #2490228 by damiankloip, almaudoh, martin107, clemens.tolboom, -enzo-, znerol, dawehner: Add Authentication Collector

Issue #2432585 by almaudoh, znerol, dawehner, cpj: Improve authentication manager service construction to support custom global service providers

Issue #2286971 by znerol, Berdir, almaudoh, cilefen: Remove dependency of current_user on request and authentication manager