* builder/amazonebs: Copy AMI to multiple regions
* builder/vmware: Downloading the ISO
* builder/vmware: VMX templates
* builder/vmware: VMX key/values
* communicator/ssh: Ability to re-establish connection
* communicator/ssh: Download()
* packer: Communicator should have Close() method
* packer/plugin: Better error messages/detection if plugin crashes
* packer/plugin: Testing of client struct/methods
* provisioner/shell: Arguments