update .gitignore to ignore *.iso files
update Gems
update Puppetfile, pin 'razor' to '0.6.0'
update Razor MicroKernel, and use 64bit precise box
update Razor MicroKernel in Rake file and add exec to apt-get update before trying to install isc-dhcp-server package
update default manifest to force a restart of xinetd
This is required because TFTP wasn't fully running upon launch, which caused the agent to fail to bootstrap the mk