[z1917] Implement creature_linking by guid

(based on commit 519842b)
[z1918] Fix following for guid linked npcs on evade

Thanks to grz3s for pointing

Signed-off-by: Schmoozerd <schmoozerd@scriptdev2.com>

(based on commit e515ced)

Signed-off-by: Nighoo <nighoo@gmail.com>
[z1919] Update backport list.

Signed-off-by: Salja <salja2012@hotmail.de>