Merge pull request #73 from docker/prepare-v0.4.6

Prepare for the v0.4.6 release

Merge pull request #68 from docker/prepare-v0.4.5

Prepare for the v0.4.5 release

Merge pull request #67 from docker/prepare-v0.4.4

Prepare for the v0.4.4 release

Merge pull request #66 from docker/prepare-v0.4.3

Prepare for the v0.4.3 release

Merge pull request #61 from docker/prepare-v0.4.2-release

Prepare for the v0.4.2 release

Merge pull request #58 from docker/prepare-v0.4.1-release

Prepare for the v0.4.1 release

Merge pull request #56 from docker/prepare-v0.4.0-release

Prepare for the v0.4.0 release

Merge pull request #49 from docker/bump-version-0.3.0

Prepare for the v0.3.0 release

Merge pull request #42 from docker/bump-version-0.2.0

Prepare for the release of 0.2.0

Merge pull request #28 from docker/bump-version-0.1.1

Bump the version for 0.1.1