vtk: Update from 5.10.0 to 5.10.1
hg-git: 0.3.1 -> 0.6.1, and its dependency dulwich: 0.8.7 -> 0.9.7
zsh: enable pcre
zsh: bump version
postgresql: use configured port when invoking psql
dulwich: added tests dependencies.
elixir: make curl available to mix
Windowmaker: update to 0.95.6
python3Packages.pelican: fix build
pythonPackages.nose: disable tests
nixos: increase timeout for jenkins/munin systemd services
package update: go-1.3.1 -> go-1.3.2

Closes #4279
agda-iowa-stdlib: renamed from aaron-stump-stdlib

Per author's request.
Merge pull request #4301 from AndersonTorres/windowmaker

Windowmaker: update to 0.95.6
pythonPackages.configobj: new version needs six as dependency
New package: tty-clock-0.1
Merge pull request #4302 from k0ral/tty-clock

New package: tty-clock-0.1
nixos: munin/jenkins: specify timeout correctly
nsd: add hrdinka to maintainers
nsd: update to version 4.1.0