Remove ComponentInstanceDataCache.h from ActorComponent.h
Remove SplineComponent.h from Engine.h
Change splinecomp funcs to get get location/direction at point on spline to be world space (and normalized direction vector)
Update reparam table when editing spline
#codereview marc.audy
[CL 2077607 by James Golding in Main branch]
Simplified SplineComponent, now a SceneComponent not a PrimitiveComponent
Added support for persisting SplineComp state across CS re-run
SplineComponentVisualizer editing started
[CL 2075479 by James Golding in Main branch]
#proj core
#branch UE4
#summary Removed header groups, removed some redundant includes and replaced with forward declarations. Fixed compilation errors.
[CL 2055361 by Mikolaj Sieluzycki in Main branch]
#proj core
#branch UE4
#summary Removed header groups, removed some redundant includes and replaced with forward declarations. Fixed compilation errors.
[CL 2054304 by Mikolaj Sieluzycki in Main branch]