Update install_and_upgrade.md
Update install_and_upgrade.md
achernyak/stack,harendra-kumar/stack,Heather/stack,martin-kolinek/stack,phadej/stack,narrative/stack,martin-kolinek/stack,MichielDerhaeg/stack,Fuuzetsu/stack,harendra-kumar/stack,mrkkrp/stack,MichielDerhaeg/stack,achernyak/stack,luigy/stack,juhp/stack,AndrewRademacher/stack,deech/stack,Blaisorblade/stack,narrative/stack,sjakobi/stack,anton-dessiatov/stack,AndreasPK/stack,AndreasPK/stack,anton-dessiatov/stack,Fuuzetsu/stack,luigy/stack,AndrewRademacher/stack,Heather/stack,sjakobi/stack,mrkkrp/stack,juhp/stack,Blaisorblade/stack,deech/stack,phadej/stack