Add more flexibility to the Vagrantfile
Move registry_config.json to a more appropriate name and location
Merge pull request #207 from smarterclayton/allow_vagrant_sync

Merged by openshift-bot
Merge pull request #208 from smarterclayton/rename_registry_config

Merged by openshift-bot
Allow OpenShift to start in roles master and node

* Adds `openshift start master` and `openshift start node` as options
* Use --listen to specify the address to listen on, --master as the public
  reachable address, and --etcd as the URL to the etcd server
* More intelligently default addresses based on user input
* Split startup code into separate packages for cleaner isolation
Update examples