website: Updating Ubuntu 12.04 ISO location and checksum

docs: toc and title fixes

builder/digitalocean: add ability to set api url in template

builder/amazon-instance: It's possible to create instance-store images from EBS-based images

It's not necessary to use an instance-store image to build an instance-store image, see this example http://sorcery.smugmug.com/2014/01/29/instance-store-hvm-amis-for-amazon-ec2/ so there should be no restriction on the ExpectedRootDevice

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>

builder/parallels: Added some navigation keys in "boot_command". Fixes [GH-1442]

Enhancements for Parallels builder

We have to set either 'ostype' or 'distribution', but not both.

parallels: Support for Parallels Desktop 10

Fixed multiple VMware typos.

Add `page_title` attribute to each documentation file for which it didn't already exist, matching the value to each page's h1, respectively.

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.

fix panic when vagrant cloud response fails

Fix typo in docker builder docs

add disk size to google compute

parallels-iso: ISO not removed from VM after install [GH-1338]

Also remove floppy and prl-tools ISO if applicable.

website: typo in vagrant cloud 

Update GCE source_image in the docs

builder/googlecompute: rename "Gsutil" to "Gcloud" now that we're updating "gcloud" and not "gsutil".

Also renamed files accordingly.