Revert "remove last remaining kf5 ebuild"

This reverts commit e1c2559de585119e338185805d6dd9dcc712f146.
libreoffice 4.3.1.1 version bump
remove dolphin, workaround: install kde-baseapps
add kde-baseapps
add okular:5
konversation no longer depends on phonon[qt4], instead [qt5]
fix cairo-9999
better metadata