update bundled tmux package and install its dependency libevent
test-kitchen now recomends that it and friends be installed globally, rather than vendored per coobkook
assert the desired state rather than what action should be taken
update .kitchen.yml to the default version, but disable all but ubuntu 12.04 LTS
add denyhosts and configure it not to email
remove 'site' as it will be deprecated in berkshelf 3
No need for the extra ceremony of the `run` helper
add firewall + rules for ssh & mosh
no need for this as we're package-only
Add development tools recipe
Add mailer recipe