- fixed very very old but in TOG button (it didnt check the values

correctly for deciding whether its pressed or not
- added 'add new' buttons to material & texture menus
  is done by std_lib buttons in headerbuttons.c, now only for this.
  doing it for ipowindow, sound, etc. has some weird consequences, save
  that for later
- verified usage of 'setting2' color for databuttons only

source/blender/src/interface.c

@@ -963,7 +963,7 @@ static void ui_is_but_sel(uiBut *but)
 		case TOGR:
 		case TOG3:
 		case ICONTOG:
-			if(value!=0.0) push= 1;
+			if(value!=but->min) push= 1;
 			break;
 		case TOGN:
 			if(value==0.0) push= 1;