Fix typo in docker builder docs
parallels-iso: ISO not removed from VM after install [GH-1338]

Also remove floppy and prl-tools ISO if applicable.
Merge pull request #1398 from rickard-von-essen/issue_1338

parallels-iso: ISO not removed from VM after install [GH-1338]
add disk size to google compute, so as to avoid disk size errors on exporting the image
Merge pull request #1397 from jfrazelle/disk_size

add disk size to google compute
fix panic when vagrant cloud response fails
Update CHANGELOG.md
Merge pull request #1362 from pmorie/docs

Fix typo in docker builder docs
Merge pull request #1411 from chrisfarms/master

fix panic when vagrant cloud response fails
Allow specifying project for source images in GCE

Within GCE, images may be shared across projects. Prior to this
commit, there was no way to inform the GCE builder that a source
image belonged to a specific project. This adds an optional
'source_image_project_id' key to the GCE builder config.
Merge pull request #1431 from mpage/gce-project-id-for-source-image

Allow specifying project for source images in GCE
Fixed multiple VMware typos.
Merge pull request #1434 from frapposelli/fix-vmware-typos

Fixed multiple VMware typos.