Issue #2256257 by znerol, cosmicdreams | YesCT: Move token seed in SessionManager in isSessionObsolete() and regenerate()  to the MetadataBag.
Issue #2329485 by damiankloip, dawehner: Allow permissions.yml files to declare 'permission_callbacks' for dynamic permissions.
Issue #2325779 by astrocling | not_chx: Upgrade to Doctrine v1.2.0.