allow toggling of software back menu item. add recovery checkpoint file. mount auto now uses busybox mount.
diff --git a/extendedcommands.c b/extendedcommands.c
index 9310d21..baa72c5 100644
--- a/extendedcommands.c
+++ b/extendedcommands.c
@@ -627,6 +627,7 @@
     char tmp[PATH_MAX];
     sprintf(tmp, "cp %s /tmp/%s", EXTENDEDCOMMAND_SCRIPT, basename(EXTENDEDCOMMAND_SCRIPT));
     __system(tmp);
+    __system("rm /sdcard/clockworkmod/.recoverycheckpoint");
     remove(EXTENDEDCOMMAND_SCRIPT);
     int i = 0;
     for (i = 20; i > 0; i--) {