- Addes configuration overrides to configure various aspects of the VM
  and Riak environment
- Configures the Riak and Riak CS listen addresses.  These options can
  be overriden via vagrant-overrides.conf
- Adds instructions for overriding default configuration values
- Converts the node option to integer to avoid a casting error when read
  in as a string from vagrant-overrides.conf
- Removes unnecessary require for the Berkshelf plugin
- Ignores the package files and generated certs
Merge pull request #27 from basho/jsb-vagrant-overrides

Adds support for configuration overrides