- Add upstream patch to fix QTBUG-61140:
* dont-destroy-foreign-windows.patch

- Add upstream patch to fix various HiDPI-related issues:
* native-children-hidpi-offset.patch (QTBUG-59017, kde#363548)

- Revert upstream commit to workaround QTBUG-61140
c585802e946d97e7d177ea334a162dc7bc286b84.patch

- Update to 5.9.0 final

- Update to 5.9.0 RC:
* For more details please see:
http://lists.qt-project.org/pipermail/announce/2017-May/000115.html
and https://wiki.qt.io/New_Features_in_Qt_5.9
- Remove patches, now upstream:
* Stop-unloading-plugins-in-QPluginLoader-and-QFactoryLoader.patch
* Fix-some-QtDBus-crashes-during-application-destruction.patch
* Merge-the-QDBusMetaTypes-custom-information-to-QDBusConnectionManager.patch
- Refresh patches:
* Fix-some-QtDBus-crashes-during-application-destruction.patch
* Merge-the-QDBusMetaTypes-custom-information-to-QDBusConnectionManager.patch
* libqt5-prioritise-gtk2-platformtheme.patch
* tell-the-truth-about-private-api.patch