Switch from Nz prefix to namespace Nz

What a huge commit


Former-commit-id: 38ac5eebf70adc1180f571f6006192d28fb99897

SDK/include/NDK/Application.inl

@@ -9,7 +9,7 @@ namespace Ndk
 {
 	inline Application::Application()
 	{
-		NzErrorFlags errFlags(nzErrorFlag_ThrowException, true);
+		Nz::ErrorFlags errFlags(Nz::ErrorFlag_ThrowException, true);
 
 		// Initialisation du SDK
 		Sdk::Initialize();