Renamed AttributeUsage and AttributeType

... to VertexComponent and ComponentType.

-Renderer:
Renamed IsVertexAttributeSupported static method to
IsComponentTypeSupported

-VertexDeclaration:
Added IsTypeSupported static method
Renamed [Disable|Enable|Get]Attribute to [Disable|Enable|Get]Component
Removed GetAttributeSize static method

-VertexMapper:
Renamed GetAttributePtr method to GetComponentPtr

Former-commit-id: 7115856e1d389610c35b26f63af5d93a5ad5c690

include/Nazara/Utility/Utility.hpp

@@ -9,6 +9,7 @@
 
 #include <Nazara/Prerequesites.hpp>
 #include <Nazara/Core/Initializer.hpp>
+#include <Nazara/Utility/Enums.hpp>
 
 class NAZARA_API NzUtility
 {
@@ -22,6 +23,9 @@ class NAZARA_API NzUtility
 
 		static void Uninitialize();
 
+		static unsigned int ComponentCount[nzComponentType_Max+1];
+		static std::size_t ComponentStride[nzComponentType_Max+1];
+
 	private:
 		static unsigned int s_moduleReferenceCounter;
 };