[Merge] ~vorlon/casper:cleanup into casper:main

[fossfreedom]

The UB team will make sure that we will drop language-selector.desktop from our budgie-desktop-environment package early in the next cycle ... so if that helps cleanup things further.



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https://code.launchpad.net/~vorlon/casper/+git/casper/+merge/452496
Your team Unity7 Maintainers Team is requested to review the proposed merge of ~vorlon/casper:cleanup into casper:main.