Merge remote-tracking branch 'origin/NDK' into NDK-ShadowMapping

Conflicts:
	SDK/include/NDK/Systems/RenderSystem.hpp
	SDK/src/NDK/Systems/RenderSystem.cpp

Former-commit-id: 0a72e838de272bff91f0b8c8a3637db94fdd7820

include/Nazara/Graphics/Light.inl

@@ -74,6 +74,16 @@ inline float NzLight::GetOuterAngle() const
 	return m_outerAngle;
 }
 
+inline float NzLight::GetOuterAngleCosine() const
+{
+	return m_outerAngleCosine;
+}
+
+inline float NzLight::GetOuterAngleTangent() const
+{
+	return m_outerAngleTangent;
+}
+
 inline float NzLight::GetRadius() const
 {
 	return m_radius;