Do not resign when component failed to be added
Do not resign when component failed to be added

This partial return to the old behavior, when we didn't
honour any failure and exported the DataStream. I believe,
that creating datastream without some particular OVAL is
valid usecase.

Add cat:uri only when the component was added

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