Added doc about configuring juju to use proxies.
Added a doc about backup and restore of the state-server.
Update lxc configuration and operation instructions. Fix ill-formed markup.
Merge pull request #49 from sinzui/lxc-updates

Update lxc configuration and operation instructions.
Merge pull request #48 from sinzui/backup-restore

Added a doc about backup and restore of the state-server.
remove extraneous '$'s from sinuzi's commit
Merge pull request #46 from sinzui/proxies

Added doc about configuring juju to use proxies.
fix <pre> formatting
fix for new destroy-environment command
remove unwanted commands
Resolved conflicts.
Added howto doc about managing access with authorised keys.
Bash-$ brakes copy-and-paste examples.
Removed leading space from the example.