DOCS: revamped download logic, check ages upon make dist
DOCS: revamped download logic, check ages upon make dist

swesterfeld/beast,GNOME/beast,GNOME/beast,GNOME/beast,tim-janik/beast,swesterfeld/beast,swesterfeld/beast,GNOME/beast,tim-janik/beast,swesterfeld/beast,GNOME/beast,swesterfeld/beast,GNOME/beast,tim-janik/beast,tim-janik/beast,swesterfeld/beast,GNOME/beast,tim-janik/beast,swesterfeld/beast,tim-janik/beast,tim-janik/beast