Bug fixing round & add some emummc menus

Notable bugs fixed:
- pkg1id is now also used as foldername during fw dump
- Clearing of screen in _recursive functions is no longer hardcoded
- Folders get the correct file attributes
- first 16 MiB of partition during partitioning gets cleared now

source/tegraexplorer/te.h

@@ -46,6 +46,4 @@ enum formatmenu_return {
     FORMAT_ALL_FAT32
 };
 
-//menu_item mainmenu[MAINMENU_AMOUNT];
-
 void te_main();