Remove Graphics module and fix compilation

examples/Tut01/build_disabled.lua

@@ -0,0 +1,15 @@
+EXAMPLE.Name = "Tut01_HelloWorld"
+
+EXAMPLE.EnableConsole = true
+
+EXAMPLE.Files = {
+	"main.cpp"
+}
+
+EXAMPLE.Libraries = {
+	"NazaraSDK"
+}
+
+if Config.PlatformSDL2 then
+	table.insert(EXAMPLE.Defines, "NAZARA_PLATFORM_SDL2")
+end