Add describe animation states & adjust camera near clip.

Add describe animation states. Log, but allow, missing textures refererenced in
PFX files during PFX loading. Change default node descriptor font size to 8 pts.
Adjust camera near clip distance in calculateLocationToShowAllOf:...
POD & CAF resource & animation enhancements.

Add CC3CAFResource swap quaternion Y & Z. Move add rez animation to CC3NodesResource.
Add additional tracks of POD animation to nodes.
Add animation blending actions.

Add CC3AnimationBlendingFadeTrackTo, CC3AnimationBlendingSetTrackTo,
CC3AnimationCrossFade, CC3EnableAnimationTrack & CC3DisableAnimationTrack
animation blending actions.