Clearly mark AMIs built by this as BETA in the MOTD, and remove debugging for PV-GRUB menu.lst which is working well now.
Cleanup the build VM when done

So it can be used later on interactively if we want to.
Initial version of ec2 bootup init script

Pulls in hostname and public key for auth.
Doesn't yet work.
Sleep 1s before unregistering to allow VBox to settle
Print IP address of the instance once it's created
Fix informational output of vhd file name
Initial hacks to import ec2_init.expect.

It doesn't yet work, but it's close. Major obstacle was learning about bash heredocs where the end-of-document delimeter is quoted, to tell bash to not interpret backticks or variables.

Unfortunately, running the script from rc.local isn't working - it says that the configure command doesn't exist.