added the registry API to the docker docs
- Hack: fix dockerbuilder to build feature branches
New Dockerfile operation: 'add'
Fix main Vagrantfile
* Hack: improve the way dockerbuilder is built
dockerbuilder: fix permissions
Merge branch 'origin/new-dockerbuilder'
Merge pull request #492 from kencochrane/registry-api-doc

+ Registry: added the registry API to the docker docs
Merge pull request #496 from dotcloud/480-vagrant-fix

- vagrant: Fix main Vagrantfile
use Go 1.0.3 to build docker
+ Hack: 'make s3release' uploads a clean build to s3
Add s3 upload to 'make release'
dockerbuilder: let the Makefile upload to s3 with 'make release'
dockerbuilder: change order of dependencies
add image graph output (dot/graphviz)