Ported interpolation methods from Minko 1 and added the SplineGeometry class (untested yet).
Fix shadowmappingType accessor
Dynamic spline-based matrix timeline generation.
Added a "static" version of the spline matrix interpolation.
Merge commit '4974abcb2b35cf12f392ffdbf2ed22be20d2e10b' into dev
Fixed various AnimationController label trigger related problems
Remove invalid import.