Todo

Remove roots symlink once the file_roots relativity issue is fixed: saltstack/salt#14613
Cleanup pi.common.wifi package install when Salt 2015.8 is released or stable
Pi and root user password configuration (remove passwords?)
- There's an issue of Permission denied, no authentication information when trying to run the pi.common.user state with the state ID as anything but the user ID (eg "remove password for pi").
Make salt zcbuildout work with newer versions of buildout and bootstrap-buildout.py filenames.

Features

Automatically enable camera via raspi-config (non-interactive option pull requests at https://github.com/asb/raspi-config/pulls?utf8=%E2%9C%93&q=is%3Apr+is%3Aopen+camera )
Configuration extracted from @davidjb's existing Pis:
- Camera Pi
  - Why do we need root access to camera? failed to open vchiq instance
- OpenSprinkler Pi: ...
Add states for all other device tree overlays: https://github.com/raspberrypi/firmware/tree/master/boot/overlays https://www.raspberrypi.org/forums/viewtopic.php?uid=121689&f=29&t=97314