New script:
data\scripts\loading.c Called in loading screen update loop.
Randomize the movement of an AI controlled entity if its path has been blocked for many times. It's a temporarily solution, I shall refine the wall checking code in the future.
Expand attack## to 99.
Add stealth logic for item.
Authored by: utunnels 2011-08-31
Parent: [r3399]
Child: [r3401]
