Merge branch 'NDK' into NDK-ShadowMapping

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

Former-commit-id: 2772ff703c9d68d536667c469aca85084be4b861

include/Nazara/Graphics/Enums.hpp

@@ -17,6 +17,14 @@ enum nzBackgroundType
 	nzBackgroundType_Max = nzBackgroundType_User
 };
 
+enum nzProjectionType
+{
+	nzProjectionType_Orthogonal,
+	nzProjectionType_Perspective,
+
+	nzProjectionType_Max = nzProjectionType_Perspective
+};
+
 enum nzLightType
 {
 	nzLightType_Directional,