Move the capabilities detection into a runtime method
When no -config is set while committing, use the config of the base image
development; issue #374: Refactor 'make hack' making Vagrantfile and VM more useful
development; issue #374: Upgrade development VM box to Ubuntu-13.04 with kernel 3.8
Update commandline Commit doc
* 'docker commit' inherits parent layer's run configuration by default
development; issue #374: Update VM documentation
new Dockerfile keyword: cmd to set a default runtime command
Merge pull request #493 from dotcloud/374-developer-environment

* hack: development; issue #374: Refactor 'make hack' making Vagrantfile and VM more useful
Merge pull request #495 from dotcloud/autorun_docs

* docs: Update commandline Commit doc
Bumped version to 0.2.1
Merge branch 'master' of ssh://github.com/dotcloud/docker
Merge pull request #482 from dotcloud/move_capabilitie_function

* runtime: Move the capabilities detection into a runtime method