mozilla-b2g/gaia — pull request #6771 by evelynhung (2012-12-01 20:31:45+00:00)
Title: bug 808892 - hide firmware field if the value is not defined

also add software version value that is OS name + OS version
(although the software version needs to be added into Settings
DB from Gecko side, not hard code here)
als fix MAC address is missing because of lazy-loading wifi panel