builder/amazon/common: retry deleting security group [GH-278]
builder/amazon/common: correct logic in deleting secutiry group
v0.3.0
builder/vmware: fix windows builds
Up version for dev
packer: replace stdout/stderr after StartWithUi

This just kind of shields the error with StartWithUi if we retry
communicator/ssh: fix panic when client is nil on reconnect
provisioner/shell: start_retry_timeout for reboot handling [GH-260]
builder/vmware: find files if they exist [GH-279]
provisioner/salt-masterless: replace windows slash with linux [GH-276]
packer: Don't output up to \r with remote command, lost anyways
Update CHANGELOG
v0.3.1
provisioner/salt-masterless: switch replace to that prior replace works

/cc @markpeek
Up version for dev
builder/vmware: create driver in Run method
builder/virtualbox: instantiate driver in Run method
Update CHANGELOG
packer: unknown commands show better on UI
packer: Export the raw template config structs