add nix-prefetch-zip
fix bzr prefetcher on darwin
Fix sudo not installing due to timedir deprecation
keep fallback visudo editor as nano
require gnused for all prefetch scripts
Add gox and packer packages
update serfdom to v0.6.2
add etcd package
add etcdctl package
add fleet package
add nsq package
add gocode package
add camlistore package
nixos/elasticsearch: add '.' at end of description strings

Nixos option descriptions should be full sentences, ending in a full
stop. (Package descriptions, on the other hand, should not.)
nixos/elasticsearch: capitalize systemd service description
nixos: add some missing '.' in option descriptions
diffstat: weaken platform requirement

This fixes a change made in 3ae765278f0e5d75e3d18ebac29c25780b92e9ee.
syslog-ng: Enable systemd support
Print output of `git describe` in `nix-prefetch-git`

I hope it will help make git-packages' versions much nicer

It's usually only useful in --deepClone is also specified.
Merge pull request #3037 from cstrahan/extra-fetchers

add nix-prefetch-zip