- made option for auto open toolbox on left/mouse hold.

standard starts with 0.5 sec. Turn the threshold value up to effectively
  disable it when you dislike it. But give it a try!
- added 'Home' after splitting window for buttonswindow

source/blender/src/editobject.c

@@ -5507,7 +5507,7 @@ void std_rmouse_transform(void (*xf_func)(int))
 		else {
 			PIL_sleep_ms(10);
 			timer++;
-			if(timer>=10*U.menuthreshold1) {
+			if(timer>=10*U.tb_rightmouse) {
 				toolbox_n();
 				return;
 			}