provisioner/chef-solo: alphabetize tests and such

/cc @netshade
provisioner/chef-solo: unused var
v0.3.9
Up version for dev
An SSH timeout should be treated as an error
Merge pull request #491 from patricklucas/ssh_timeout_should_be_error

common: An SSH timeout should be treated as an error
Update CHANGELOG
builder/virtualbox: error if version can't be detected [GH-488]
builder/virtualbox: detect vboxdrv issues [GH-488]
builder/amazon: instances can be launched with a list of security groups
builder/digitalocean: don't panic if error contains no message [GH-492]
provisioner/shell: add more tests for UnixReader
Use the same vagrant post-processor for amazon instances than EBS. Fixes #502
Fixes #1 and Fixes #2 by allowing qemuargs to operate and override defaults.
Add compression_level option to vagrant post-processors
Update docs for Virtualbox and VMware as well
Merge branch 'master' of https://github.com/mitchellh/packer
Fixes #3 via minor documentation fix and setting default properly (in the net_device template value, virtio is incorrect -- must be virtio-net).
Moved the 1 sec timeout to the export step
Formatted contributions