initialising network interfaces, etc.) to modules/tasks. This
follows the Upstart terminology: a service is a job that doesn't
usually terminate (e.g. a daemon), while a task is a job that does
some work and then exits.
svn path=/nixos/branches/modular-nixos/; revision=15771
empty now), do more of bashrc.sh declaratively, and moved nsswitch
generation to modules/config/nsswitch.nix.
svn path=/nixos/branches/modular-nixos/; revision=15754
