Update 000package-groups to rev 111 via SR 795732
    
    https://build.opensuse.org/request/show/795732
    by user lnussel + dimstar_suse
    Add hint about correct build key
    
    Build key packages provide the generic "build-key" name which can be
    used in eg. patterns in a reusable way. The product has to hint what
    it wants then though.