Running: Cockpit is in Debian/Ubuntu proper now
Running: Cockpit is in Debian/Ubuntu proper now

For Debian unstable and Ubuntu 17.04 it's now just an apt-get away. For
Debian stable and Ubuntu 16.04 our repository is still necessary for the
time being.

Comment out the "Stable, tested, delivered in a repository" section as
there are no current entries.

Closes #65
Reviewed-by: Stef Walter <8a7fbf0f15d3ad982af54ef28f5c117d2494b76c@redhat.com>

martinpitt/cockpit-project.github.io,cockpit-project/cockpit-project.github.io,cockpit-project/cockpit-project.github.io,martinpitt/cockpit-project.github.io,martinpitt/cockpit-project.github.io,cockpit-project/cockpit-project.github.io,cockpit-project/cockpit-project.github.io,martinpitt/cockpit-project.github.io