fix ByParent
Merge pull request #539 from justone/fix-byparent

- Images: fix ByParent function
Use make instead of new
Make the checksum async within commit
Added a line to css to make sure th woul align left.
Merge pull request #559 from dhrp/docs-table-th-fix

- Documentation: CSS fix for docker documentation to make REST API docs look better.
Swap "go get" for "go get -d", especially to compile on go1.1rc; fixes #561
Merge pull request #562 from tianon/go1.1

- Makefile: Swap "go get" for "go get -d", especially to compile on go1.1rc
Better error output upon push failure
+ Runtime: Add go version to debug infos
Store the checksums when pulling a repository
Merge pull request #557 from dotcloud/improve_checksum

* Registry: Improve checksum
Display the go version inf CmdInfo in non-debug mode
Bumped version to 0.3.1
Moved the static website html pages to their own folder under docs.

This should make previewing documentation easier.
Also updated the Makefile to now copy the theme dir into the _build/website/ dir. Make connect and Make push work.
Merge pull request #566 from dhrp/move-website-to-dir

Moved the static website html pages to their own folder under docs.