Add nixops
nixos.org/tarballs -> tarballs.nixos.org

It's currently the same machine, but tarballs.nixos.org should become
an S3/CloudFront site eventually.
Merge pull request #676 from errge/master

Add regex-tdfa-text
qemu: Enable support for VDE networking
Linux 3.2-3.9: Add CONFIG_RC_DEVICES=y, to enable IR devices that can be used by lirc/devinput
Remove Firefox 20.0
firefox: Rename 21.0.nix to default.nix
firefox: Update to 22.0
Linux 3.2: Doesn't support CONFIG_RC_DEVICES option
avrdude: Add libusb to enable USB support
Merge pull request #677 from the-kenny/avrdude

avrdude: Add libusb to enable USB support
Fix reference to firefox21
String::ToIdentifier::EN: Update to 0.10
Making ccrtp propagate its build time requirement, ucommon.
As libccrtp propagates ucommon, it's not needed in libzrtpcpp.
Update ucommon to 6.0.5.

The hope that newer means better.
Adding partially sflphone (only daemon, maybe failing to build)
Making sflphone build, and its gnome client too.
Adding sflphone.

Merge branch 'sflphone'
python-six: Update to 1.3.0