Check if blog directory exists within backup

src/freedombone-app-htmly

     if [ $HTMLY_DOMAIN_NAME ]; then
         echo $"Restoring htmly installation"
         temp_restore_dir=/root/temphtmly
-        restore_directory_from_usb $temp_restore_dir blog
-        restore_directory_from_usb $temp_restore_dir htmly
+        if [ -d $USB_MOUNT/backup/blog ]; then
+            restore_directory_from_usb $temp_restore_dir blog
+        else
+            restore_directory_from_usb $temp_restore_dir htmly
+        fi
         if [ -d /var/www/${HTMLY_DOMAIN_NAME}/htdocs ]; then
             rm -rf /var/www/${HTMLY_DOMAIN_NAME}/htdocs
         fi