Issue#774: Mention SSG in man
Issue#774: Mention SSG in man

redhatrises/openscap,OpenSCAP/openscap,OpenSCAP/openscap,OpenSCAP/openscap,mpreisler/openscap,redhatrises/openscap,jan-cerny/openscap,OpenSCAP/openscap,Hexadorsimal/openscap,redhatrises/openscap,mpreisler/openscap,mpreisler/openscap,jan-cerny/openscap,jan-cerny/openscap,OpenSCAP/openscap,Hexadorsimal/openscap,Hexadorsimal/openscap,mpreisler/openscap,jan-cerny/openscap,redhatrises/openscap,mpreisler/openscap,Hexadorsimal/openscap,OpenSCAP/openscap,jan-cerny/openscap,redhatrises/openscap,jan-cerny/openscap,redhatrises/openscap,mpreisler/openscap,Hexadorsimal/openscap,Hexadorsimal/openscap