usage: ./morphix-rebrand.sh [-T Master_Title] [-b background_graphic] [-g title_grub_menu] [-h hostname] [-u username] [-w x_wallpaper_graphic] old.iso new.iso Rebrand.png

 This script Re-brands a Morphix CD image using the graphic file
 Any Graphic file will do. Rebrand.png, Rebrand.jpg or Rebrand.gif
 The name of the graphics file is important as the script takes Rebrand as the new title for the LiveCd.
 To override the default name obtain from the graphics file use the option items such as -T ReBrand
 The names should not contain non-alpha-numeric characters
 Need to have be able to run the mount command, i.e. must be root