[qt5-build.eclass] Refactor qt5_install_module_qconfigs().
[kde-misc/sddm-kcm] Move to SLOT 4

Package-Manager: portage-2.2.10
[profiles/updates] Slotmove kde-misc/sddm-kcm 0 -> 4
[dev-qt/qt{dbus,network}:5] Revbump to avoid bug 518620.
Merge branch 'master' into docs

Conflicts:
	eclass/qt5-build.eclass