This component watches a systemd unit and moves all processes into
separate cgroups. The intention is to do this for browsers, and a number
of drop-in configurations are shipped for this purpose.

Configurations that should work are provided for:
 * Epiphany (org.gnome.Epiphany)
 * Chromium (chromium-browser)
 * Firefox (firefox)
 * Chrome (google-chrom)

Integration is provided for at least:
 * GNOME
 * KDE