[openFATE 314591] Include Mate as Install option

Feature changed by: Anton Reznik (reanxp-rus) Feature #314591, revision 2 Title: Include Mate as Install option openFATE: Unconfirmed Priority Requester: Desirable + openSUSE Distribution: Unconfirmed + Priority + Requester: Desirable Requested by: Carl Fletcher (caf4926) Partner organization: openSUSE.org Description: To have Mate as an optional desktop along with lxde, xfce Business case (Partner benefit): openSUSE.org: Mate provides a old school desktop style along with stability and usability. -- openSUSE Feature: https://features.opensuse.org/314591