Added script for launching all the VMs required for the Melbourne SWC Bootcamp.
Added post-workshop script for packaging up all the user directories so trainees can download them.
Added post_instantiation_script.sh to the .gitignore - we don't want to accidentally publish our user's password!

Afterall, this script is actually generated by the master_launcher.sh file will recreate this file anyway.
Enable this script to find the password scrambling script.
used correct username variable in the script
Added working example of a script for launching a basic VM with the ability to connect to via NX
Added launch script for the SWC bootcamp in melbourne 2013
Added script to be run at the end of the workshop to tarball the user directories and make the available with URLs via swift.
removed mock passwords so falls back to random 10 character length passwords
Pulled out the TZ parameter into the main script for easier customisation.
added EMPTY_PASSWORD string as the NX client seems to need these