Merge pull request #2577 from dotcloud/bump_v0.6.6

Bump v0.6.6
skip the volumes mounted when deleting the volumes of container.
use Binds key in hostConfig to detect volumes mounted from external.
Minor code simplification for Containers api
expunge the word 'Resource' in reference to a file/dir in a CONTAINER - that way users don't wonder how its different from a Path
add some common examples for docker images, and tell the user what -a filters out
make the docker commit help more copy&pasteable
Do ont truncate ID on docker rmi
fix layer size computation: handle hard links

This change makes docker compute layer size correctly.

The old code isn't taking hard links into account. Layers could
seem like they're up to 1-1.5x larger than they really were.
fix container size computation: handle hard links

This change makes docker compute container size correctly.

The old code isn't taking hard links into account. Containers could
seem like they're up to 1-1.5x larger than they really were.
Change to documentation for AWS AMI request

Hi guys, it just might be me, but clicking the AMI from http://cloud-images.ubuntu.com/locator/ec2/ is broken to me. So I just did it via the normal Create Instance Wizard.

I just though some people might have the same issue.

Sorry if my markdown for links is screwed up, I went by the examples, since I'm used to the `[]()` traditional one.

Cheers.
Fix #2342. Harmonize information about ADD. Cross-link build info.
Merge pull request #2723 from SvenDowideit/doc-build-image

Use the work Path for docker cp CONTAINER:PATH
Merge pull request #2727 from SvenDowideit/docker-images-doc

add some common examples for docker images, and tell the user what -a filters out
Allow images to be saved and loaded by id and repository
Merge pull request #2793 from crosbymichael/offline-ids

Allow images to be saved and loaded by id and repository
Lock state before we modify.

When we start a container we lock state, we should do the same in stop.

Detected via -race.
Merge pull request #2795 from pnasrat/docker-testmultipleattachrestart-race

Lock state before we modify.
Return status exit status 2 on usage, move parserun into commands.go, display usage on stderr
Revert "Lock state before we modify."

This reverts commit d7e2fc898284fe29ed43f7b28eae56e7e052e854.