Combined release of faasd and faas-containerd

Changelog for 0.6.0:

• PR #25 Initial merge of faas-containerd in new command by @alexellis

faas-containerd is now accessed via faasd provider, or the systemd unit file: faasd-provider

Upgrading:

# Stop systemd services, if you have them
sudo systemctl stop faasd
sudo systemctl stop faas-containerd
sudo systemctl stop faasd-provider

# Remove old binaries if you have them
sudo rm -rf /usr/local/bin/faasd
sudo rm -rf /usr/local/bin/faas-containerd
sudo rm -rf /usr/local/bin/faasd-provider

Now install as per the documentation.

Generated by Derek