common: Set now option programs.ssh.startAgent.

The old option services.xserver.startOpenSSHAgent is now obsolete.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
Set allowUnfree for CPU microcode.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
collections: Don't use NSAPI wrapper for Chromium.

We're now using the PepperAPI Flash version, which is mainly for testing
purposes. In the long run, the goal is to get rid of Flash entirely.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>