[rkward] /: Formally merge ancient release branch 'origin/releases/0.5.6'

[Thomas Friedrichsmeier]

Git commit 19874fb0b0aec4db36786697efefa9cabff1dee4 by Thomas Friedrichsmeier.
Committed on 22/04/2018 at 14:48.
Pushed by tfry into branch 'master'.

Formally merge ancient release branch 'origin/releases/0.5.6'


https://commits.kde.org/rkward/19874fb0b0aec4db36786697efefa9cabff1dee4