Getting started - Local IP detection

[topdan]

It'd be fantastic to find a list of the current computer's local IP's and present them for people to try, in addition to the local computer name address:

ie:

• http://my-computer-name.local:6670
• http://192.168.1.100:6670

[topdan]

Code in this SO question didn't work for me locally:

http://stackoverflow.com/questions/9689632/how-to-get-local-ip-from-firefox-extension-code