Make KDE configration global

This way, the 'Desktop' activity will get created because KDE doesn't
consider itself already configured.

Makefile

@@ -245,8 +245,9 @@ ifneq ($(strip $(APT_SOURCE_URL_OVERRIDE)),)
 endif
 	#set timezone
 	echo -n "Europe/Berlin" > "$(call archdir,$*)$(ROOTFS)/etc/timezone"
-	#install skel files (in particular kde defaults)
-	cp -R "$(CURDIR)/contrib/rootfs/skel" "$(call archdir,$*)$(ROOTFS)/etc/"
+	#install system wide xdg files (in particular kde defaults)
+	mkdir -p "$(call archdir,$*)$(ROOTFS)/etc/xdg"
+	cp -R "$(CURDIR)/contrib/rootfs/xdg/*" "$(call archdir,$*)$(ROOTFS)/etc/xdg"
 	#install modprobe.d files
 	cp "$(CURDIR)/contrib/rootfs/modprobe.d/"* "$(call archdir,$*)$(ROOTFS)/etc/modprobe.d/"
 	#install sysctl.d files