Implement NiBillboardNode flags
In Morrowind the animations for triggering Spell Absorption (white star) and Reflect (pink/purple star) on actors pulsate and rotate.
In OpenMW 0.40 they appear to pulsate, but they do not rotate.
(RM-3602 from redmine: created on 2016-10-21 by Hla Mas, )
Edited by redmine