firewall.nix: Don't fail if IPv6 is disabled
Remove unnecessary toPath that breaks with recent nixUnstable
modules/programs/bash/bash.nix: cosmetic indention fix
Add option "environment.binsh" to configure the shell executable used to create the global /bin/sh symlink.
test-instrumentation.nix: Don't start agetty on hvc0
installer test: Don't wait for getty@tty2 because it's started lazily
Update channel URLs
dnsmasq: Add extraConfig option
Make the installer work on systemd

Systemd mounts the root filesystem as a shared subtree, which breaks
recursive bind mounts.
Make install-grub.pl work when $PATH is empty
Use new-style fileSystems
Systemd requires the latest Nix
Remove unnecessary (AFAICT) call to toPath
Installer test: fix nix-push call

http://hydra.nixos.org/build/3331147
Add a GRUB 1 dependency

http://hydra.nixos.org/build/3331139
Merge master.
Fixed the documentation for programs.ssh.forwardX11 to account for the X11 SECURITY extension.
Merge pull request #40 from falsifian/master

Change the default value of programs.ssh.forwardX11 to false.
Add option for specifying shell aliases, environment.shellAliases.
Add nslcd (nss-pam-ldapd) uid and gid