I confirm that muon is not installable. It requires software-properties-kde - but mintsources conflicts with software-properties-kde.
As for mint-configuration-kde, I find it already installed in Mint 17 KDE, and it does NOT conflict with mintsources. Maybe you meant some other package instead?
I confirm that muon is not installable. It requires software- properties- kde - but mintsources conflicts with software- properties- kde.
As for mint-configurat ion-kde, I find it already installed in Mint 17 KDE, and it does NOT conflict with mintsources. Maybe you meant some other package instead?