updated readme, version and update script

scripts/update.sh

@@ -6,9 +6,9 @@ systemctl stop /lib/systemd/system/getty@tty1.service.d
 
 cd /root/reHDD/
 
-FILE=./ignoreDrives.conf
+FILE=../ignoreDrives.conf
 if test -f "$FILE"; then
-   echo backup exits
+   echo "backup exits already"
 else
     cp /root/reHDD/ignoreDrives.conf /root/ignoreDrives.conf
 fi
@@ -23,6 +23,10 @@ git checkout master
 
 git pull
 
+git submodule init
+
+git submodule update
+
 make release
 
 cp  /root/ignoreDrives.conf /root/reHDD/ignoreDrives.conf