Port ki18n from QtScript to QtQml
Summary: Moves away from the deprecated QtScript module
Reviewers: ilic, dhaumann
Reviewed By: dhaumann
Subscribers: dfaure, kde-frameworks-devel, huftis, ngraham, dhaumann, ltoscano, kfunk
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D7033
Change-Id: If57e2f6e6bfb3334a71f270d5919da3b6a80deeb