Fix issue when login in with a different user and trying to push
Add build command
Clear the containers/images upon failure
make builder.Run public it now runs only given arguments without sh -c
Add a Builder.Commit method
Add insert command in order to insert external files within an image
Make sure the destination directory exists when using docker insert
Implement the COPY operator within the builder
Moving runtime.Create to builder.Create
Move runtime.Commit to builder.Commit
Update the unit tests to reflect the new API
use new image as base of next command
Make Builder.Build return the builded image
Add builder_test.go
Fix image pipe with Builder COPY
Remove the open from CmdBuild
Add doc for the builder
Change dockerbulder format, no more tabs and COPY becomes INSERT to avoid conflict with contrib script
Better varibale names
Rebase master (autorun)