[Merge] ~azzar1/software-properties:ubuntu/bionic into software-properties:ubuntu/bionic

[Balint Reczey]

Review: Approve

It is funny to _not_ see the created .keep files in the diff. :-)
Thanks!
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https://code.launchpad.net/~azzar1/software-properties/+git/software-properties/+merge/365668
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