Add pxetools for easy netboot server. Improve netboot documentation.#406

Merged

liamfraser merged 2 commits intoraspberrypi:masterfrom

liamfraser:master

Jul 27, 2016

Commits on Jul 27, 2016

Change mass storage boot instructions to use rpi-update. Also regenerate ssh host keys
liamfraser
committed
Add pxetools. Rewrite net_tutorial.md to use rpi-update
liamfraser
committed