Changes
/* Update requirement */
Update procedure requires the dfu-programmer software:
* Executable version is provided for windows users.
* Linux users should find it in they distribution repository or build it from source. Older versions of dfu-programmer have different commands so they will fail to run the UpdateCartEmu.sh script correctly. It is highly recommended you download the source and build it.
* OSX users will have to build it from provided source and script in dfu-programmer_install_OSX. Check the included readme.txt for detail.
