Two radiosity glitches, bugs #2872 #2881

- add new scene, "Full Copy", didn't copy radio settings
- switch scene didn't reset radiosity baking
  (note that you can only do 1 radiosity scene in Blender, switch scene
  will free the radiosity data)

source/blender/src/drawscene.c

@@ -56,6 +56,8 @@
 
 #include "BSE_view.h"
 
+#include "radio.h"
+
 #include "blendef.h" /* old */
 #include "mydevice.h"
 
@@ -127,6 +129,7 @@ void set_scene(Scene *sce)		/* also see scene.c: set_scene_bg() */
 	}
 
 	set_scene_bg(G.scene);	
+	set_radglobal();
 		
 	/* complete redraw */
 	allqueue(REDRAWALL, 0);

source/blender/src/header_info.c

@@ -338,6 +338,8 @@ Scene *copy_scene(Scene *sce, int level)
 		single_obdata_users(0);
 		single_mat_users_expand();
 		single_tex_users_expand();
+		
+		scen->radio= MEM_dupallocN(sce->radio);
 	}
 
 	clear_id_newpoins();