Bumped version to 0.4.1
add port redirection doc
Added content to port redirect doc
Typo
Merge pull request #897 from dotcloud/fix-overlapping-add

* Builder: ADD improvements: use tar for copy + automatically unpack local archives
Merge pull request #911 from dotcloud/add_port_redirection_doc

* Documentation: add port redirection doc
Merge branch 'master' into builder_server-3

Conflicts:
	buildfile_test.go
Merge pull request #912 from dotcloud/bump_0.4.1

Bumped version to 0.4.1
Packaging|dockerbuilder, issue #761: use docker-golang PPA. Add Dockerfile header
- Runtime: Fixes #884 enforce stdout/err sync by merging the stream
fix missing command in irc bouncer example
Move the attach prevention from server to client
Remove Run race condition
- Runtime: Forbid parralel push/pull for a single image/repo. Fixes #311
fix docker version git output
Fix bug on compression detection when chunck < 10bytes
* API: Add tag lookup to history command. Fixes #882
Update documentation
* Builder: upload progress bar

Fix progress bar
Packaging, issue 919: Bump version to 0.4.2