Added info about the new datastream "oscap ds" feature set to manpage
Added info about the new datastream "oscap ds" feature set to manpage

isimluk/openscap,Hexadorsimal/openscap,postfix/openscap,OpenSCAP/openscap,postfix/openscap,redhatrises/openscap,Hexadorsimal/openscap,mpreisler/openscap,ybznek/openscap,Hexadorsimal/openscap,openprivacy/openscap,ybznek/openscap,redhatrises/openscap,Hexadorsimal/openscap,mpreisler/openscap,jan-cerny/openscap,postfix/openscap,isimluk/openscap,ybznek/openscap,OpenSCAP/openscap,jan-cerny/openscap,Hexadorsimal/openscap,openprivacy/openscap,OpenSCAP/openscap,redhatrises/openscap,redhatrises/openscap,isimluk/openscap,mpreisler/openscap,mpreisler/openscap,ybznek/openscap,postfix/openscap,openprivacy/openscap,postfix/openscap,isimluk/openscap,openprivacy/openscap,jan-cerny/openscap,jan-cerny/openscap,OpenSCAP/openscap,ybznek/openscap,redhatrises/openscap,OpenSCAP/openscap,openprivacy/openscap,OpenSCAP/openscap,openprivacy/openscap,postfix/openscap,mpreisler/openscap,Hexadorsimal/openscap,jan-cerny/openscap,jan-cerny/openscap,redhatrises/openscap,isimluk/openscap,mpreisler/openscap,isimluk/openscap,ybznek/openscap