Boss AI improved and can now detect threats and focus them, Anniversary event implemented.

Core:\n- Kernel FindTarget methods extended to support threat meter functionality for bosses.\n- Creature Task handling for new cases.\n- World Task handling for new cases.\n- Fixed an issue with VIPTokens not being vendable.\n\nCreature:\n- Bosses are now as smart as Osama :kekw:.\n\nCmd:\n- Admin commands to test new boss functionality.\n\nEvent:\n- Anniversary event written.\n- Fixed an issue with KillTheCaptain that caused a dead player to be awarded Captain.