[kde-base/plasma-desktop] Add missing dependency.

org.kde.kded5 is called via dbus.

Package-Manager: portage-2.2.10
[kde-base/cantor] Only use python eclass when python support is enabled wrt bug #518368.

Package-Manager: portage-2.2.10
[kde-base/artikulate] gstreamer is now mandatory.

Package-Manager: portage-2.2.10