fixed Plasma Desktop 4.9 issue

--by mistake the Plasma IconItem was used, that is supported
only in Plasma Desktop 4.10. Dropped its support for the
0.4.0 version. It will be used only after 0.5.0 which is going
to have dependency for Plasma Desktop >= 4.10
updated the spanish translation
Merge branch 'development' into 0.4
update ChangeLog
updated version to 0.4.1
updated/fixed version to 0.4.1
Merge branch '0.4.x'

Conflicts fixed:
	CMakeLists.txt
	ChangeLog
	package/contents/ui/CompactRepresentation.qml

-- updated version in 0.4.1