closing PTY device after fake shell exits

removed the attempts at setuid. It does not work with golang anyway.

Switched to the mainline crypto/ssh package as our change was pushed.

uuug, formatting so the link worksw

added note about live instance

Added a note about frontend and how awesome Remasis is

Updated the README and added a state system to the command handler so we can maintain a state for fake filesystems and previous commands

Updated the bundled SSH server to provide reasonable default if a ServerVersion is not provided in the ServerConfig

Merge pull request #1 from opennota/master

Vendor and patch golang.org/x/crypto/ssh

added setgid as well

added a little logging so you know when the UID transitions

Added setuid when running as root. Because there is alot of code in here that I don't fully understand. so... yeah

Updated some logging and added routines to push attempts to mongoDB as well as full up snairs

Implemented the remote mongoDB backend. That was eerily easy... something can't be right