More 3D Work

-=-=-=-=-=-

-ESM Shadow Mapping for softer and less glitchy shadows
-HDR Pipeline (convert to Linear on texture import, convert to SRGB at the end)
-Fix to xml parse bug

modules/gdscript/gd_script.h

@@ -183,6 +183,7 @@ class GDScript : public Script {
 	bool valid;
 
 
+
 friend class GDInstance;
 friend class GDFunction;
 friend class GDCompiler;