builder/digitalocean: retry pending events a lot more
builder/digitalocean: retry longer and don't retry shutdown
Allow customization of SSH Key pair pattern

Defined in a template using ssh_keypair_pattern. Defaults to "packer %s"
Enable customization of VirtualBox disk controller with `hard_drive_interface` option (SATA only).
Document the `hard_drive_interface` option.
Adding support for isotime template variable
Merge pull request #391 from jbronn/hard_drive_interface

builder/virtualbox: Add `hard_drive_interface` option
Update CHANGELOG
builder/virtualbox: process hdd interface as template, validate
Merge pull request #389 from whostolebenfrog/master

builder/amazon/ebs: Allow customization of temporary ssh key name
Update CHANGELOG
packer: uuid function
Update CHANGELOG
builder/amazon/all: TemporaryKeyPairName

/cc @whostolebenfrog - I actually simplified things quite a bit. I added
a "uuid" global template function so it just uses that now. I renamed it
so that it is clear it is a temporary keypair.
Minor URL typo

URLs with special characters should escape them.
Merge pull request #392 from ttres/patch-1

website: minor URL typo
builder/vmware: auto-answer dialogs [GH-393]
builder/vmware: always set msg.AutoAnswer
Merge branch 'master' of https://github.com/armon/packer into armon-master

Conflicts:
	packer/config_template.go
Update CHANGELOG