Add a script to add git branches for each channel.
Add other source of channels, and distinguish between local and remote channels.
FIX: Change local state dir, which must be writable, from "/nix/store/...glusterfs..." to "/var"
update-channel-branches.sh: Add verbosity to improve the user experience, and update NixOS documentation.
virtualisation.qemuNetworkingOptions -> virtualisation.qemu.networkingOptions
Shut up a warning from udev

Issue #5260.
Typo
groovy: update from 2.3.8 to 2.3.9
calibre: update from 2.12.0 to 2.13.0
[SECURITY] Update git to 2.1.4

This fixes CVE-2014-9390

http://article.gmane.org/gmane.linux.kernel/1853266
systemd: Apply upstream fixes

In particular, upstream commit 3072eecf3c714e3ed88c882623c40aca15445f64
fixes 15-character network interface names (as generated by ID_NET_NAME_MAC).
vlc: change url
Merge pull request #5397 from tomfitzhenry/update-git-to-2.1.4

[SECURITY] Update git to 2.1.4
Merge pull request #5398 from matejc/vlcurl

vlc: change url
rage: add enlightenment's own video/audio player
Fix minor typo.
Merge pull request #5399 from rycee/fix-typo

Fix minor typo in documentation.
Updated remind package name (otherwise unchanged).

Also added myself to the maintainers list.
zed: upgrade to 1.0.0 version
Merge pull request #5400 from KoviRobi/master

Updated remind package name (otherwise unchanged).