mate-media-1.6.0: Cleanup econf
mate.eclass: enable epatch_user
mate.eclass: Make sure elibtoolize is run before intloolize
mate-control-center-1.6.1: Fix file collision with gnome2
Unmask mate-file-manager-share

Confirmed working by Ri0n on https://github.com/Sabayon/mate-overlay/issues/41
mate-image-viewer-1.6.1: cleanup DEPEND

Use lcms:0 slot
Bump mate required componnents to 1.6.0.
mate-power-manager-1.6.2: man USE/DEPEND
Use libsecret/gnome-keyring instead of mate-keyring