[Merge] ~ddstreet/software-properties:lp645404 into software-properties:ubuntu/master

[Dan Streetman]

gave up on this MR.

moved devel work into
https://code.launchpad.net/~ubuntu-support-team/software-properties/+git/software-properties

https://launchpad.net/~ubuntu-support-team/+archive/ubuntu/add-apt-repository

-- 
https://code.launchpad.net/~ddstreet/software-properties/+git/software-properties/+merge/367276
Your team Ubuntu Core Development Team is requested to review the proposed merge of ~ddstreet/software-properties:lp645404 into software-properties:ubuntu/master.