[Merge] lp:~evfool/software-properties/lp1060543 into lp:software-properties

[Robert Roth]

I have updated the merge proposal with the following changes based on the feedback from the bug:
* copied the jockey desktop file with its icons from jockey trunk (it gets installed with software-properties-gtk)
* renamed it to additional-drivers.desktop
* removed the control center panel category
* updated the translation domain
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https://code.launchpad.net/~evfool/software-properties/lp1060543/+merge/135513
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~evfool/software-properties/lp1060543 into lp:software-properties.