This is prepared for a 2014-06-11 UDS session on Simplestreams
entitlted 'Simplestreams Tutorial'
  http://summit.ubuntu.com/uos-1406/meeting/22279/simplestreams-tutorial/

The session was executed on a fresh 14.04 Ubuntu cloud instance.

The only prep done ahead of time was:
 sudo apt-get update && sudo apt-get install --assume-yes git bzr ubuntu-cloudimage-keyring
 git clone https://github.com/smoser/talk-simplestreams.git talk
 bzr branch lp:simplestreams  talk/simplestreams
 export PATH=$PWD/talk/bin:$PWD/talk/simplestreams/tools:$PATH
 cd talk