openborscript.c:
Fix aiflag and think for changeentityproperty os NULL() is now actually supported. Add jumpheight as an entity property (set and change). openbor.c: Forgot to clear loading script, now it's fixed. screen32.c: Fix putscreenx8p32 color key bug.
Authored by: utunnels 2012-11-06
Parent: [r3726]
Child: [r3728]
