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/Renderer/Renderer.hpp

@@ -70,9 +70,9 @@ class NAZARA_API NzRenderer
 
 		static bool Initialize();
 
+		static bool IsComponentTypeSupported(nzComponentType type);
 		static bool IsEnabled(nzRendererParameter parameter);
 		static bool IsInitialized();
-		static bool IsVertexAttributeSupported(nzAttributeType attributeType);
 
 		static void SetBlendFunc(nzBlendFunc srcBlend, nzBlendFunc dstBlend);
 		static void SetClearColor(const NzColor& color);