Handle AvoidNode
In some NIF meshes (ex. in_lava_1024.nif) there is an AvoidNode. Presumably it is there for AI purposes. We can probably turn this into a btGhostObject and notify the AI on collisions?
(RM-1724 from redmine: created on 2014-07-29 by scrawl ., )
Attachments: in_lava_1024.nif in_lava_1024_01.nif