AH-498_Spline Added basic functionality to spline.

TODO: Commenting, time based, more options?
Merge remote-tracking branch 'origin/master' into AH-498_Spline
AH-498_Spline fixed master merge error.
AH-498_Spline Added a time between points.
AH-498_Spline Havenborough.sln changes
AH-498_Spline Added option to change camera.
AH-498_Spline added option to disable HUD.
AH-498_Spline Commenting
AH-498_Spline removed unused methods in ActorFactory.
Merge remote-tracking branch 'origin/master' into AH-498_Spline
AH-498_Spline added tests.
Merge remote-tracking branch 'origin/master' into AH-498_Spline