Ignore RubyMine's .idea/ cruft
The butchery target should be the Chef node_name

Not the Vagrant node_name. Allows a simpler Vagrantfile.
Check for provisioner type

Act only when it's Vagrant::Provisioners::ChefClient
Handle the case where Chef node_name is not set
Merge pull request #4 from theodi/master

Node destruction based on Chef node_name