builder/digitalocean: use DigitalOcean image ID for artifact Id().
post-processor/vagrant: test for user variables in vagrantfile_template [GH-1125]

Previously fixed in a47610879fcd5e2871b3e088e40d368a2915455f

Closes #1125
post-processor/vagrant: process templates in Configure
post-processor/vagrant: test if vagrantfile_template exists

Test for #801
post-processor/vagrant: check if vagrantfile_template exists

Fixes #801
builder/parallels: Attach bootable ISO exactly to cdrom0 [GH-1667]
builder/parallels: Move setting the boot order to the separated step
fix googlecompute oauth dependency
change ordering of ssh connection IP for amazon. fixes #1559
Merge pull request #1706 from rsdy/master

fix googlecompute oauth dependency
Fixed typo
Merge pull request #1725 from dragon788/master

Fixed typo
added ssl_verify_mode parameter to chef-client provisioner
Use the latest micro instance from the free tier
Use a newer source AMI

The AMI that was previously listed before this change no longer exists.
Merge pull request #1704 from mattr-/new-amazon-ami-in-docs

Update the getting started docs with Amazon changes
Merge pull request #1700 from legal90/iss-1667

Parallels: Fixed issue #1667
Merge pull request #1694 from ceh/issue-1125

Test for user variables in vagrantfile_template [GH-1125]
Merge pull request #1692 from nitrous-io/digitalocean-image-id

Use DigitalOcean image ID for artifact Id()
Merge pull request #1707 from gergnz/master

change ordering of ssh connection IP for amazon. fixes #1559