Added some basic support for ubuntu
Fix sed change for Dockerfile
Change passwd for chpasswd

   Should work on all platforms
Create /var/run/sshd on ubuntu
Added note to the readme
Tidy up readme
Merge pull request #1 from choffee/ubuntu

Adding Ubuntu Support. Looks awesome. :)
Added some output to enable debugging, and a sleep to handle slow startup of sshd
Split out separate parts to handle different OSes in paralell all the way through
Just ignoring running Dockerfile
Just added some docs
Doc detail