Start moving the docker builder into the server
Implement Context within docker build (not yet in use)
Add missing buildfile.go
remove unused function
Properly install ppa, avoid GPG key warning
Added links to @jpetazzo 's kernel article, removed quote indents from puppet.rst
Fix attach API docs.
Merge pull request #729 from mmcgrana/fix-attach-api-docs

- Documentation: Fix attach API docs typo.
invert status created
rename containers/ps to containers/json
return 404 on no such containers in /attach
Use Ubuntu's built-in method to add a PPA repository, which correctly handles keys for you.
Add sudo to commands.
Merge pull request #709 from dhrp/links-to-kernel-doc

Added links to @jpetazzo 's kernel article, cleaned puppet doc layout
Add Extension() method to Compresison type
Implement the CmdAdd instruction
Update the UI for docker build
Merge master
Fix merge issue
Make docker build flush output each line