* Initial implementation of mac_address.sh
* Added manual MAC address entry.
* Fixed wrong variable in update_mac() function.
* Added clear commands before exiting.
* Spelling and grammar.
* Added some comments.
* Added shebang.
* Corrected terminal output of dialog commands.
* Allow startup dialogs to show on any console.
* Corrected valid MAC addresses being marked as invalid. Improved manual MAC address entry.
* Replaced hardcoded redirects to '/dev/tty2' with redirects to scripts stderr and swap where applicable
* Make MAC address discovery optional.
* Modified sed regex to improve finding and replacing ethaddr variable in update_uboot()
* Code cleanup.
* Check important commands exist before running the script.
* Generate locally administered, unicast addresses in a smarter way.
* Simplify script
* Code cleanup and minor experence changes
* Moved mac_address.sh from other_authors to repository root
