Moved buffers to Utility

Fixed NzVector4::operator/
Replaced enumName_Count by enumName_Max
Renamed (Index/Vertex)Buffer::GetBufferPtr by GetPointer

src/Nazara/Renderer/HardwareBuffer.cpp

@@ -188,7 +188,7 @@ bool NzHardwareBuffer::Fill(const void* data, unsigned int offset, unsigned int
 	return true;
 }
 
-void* NzHardwareBuffer::GetBufferPtr()
+void* NzHardwareBuffer::GetPointer()
 {
 	return nullptr;
 }