[redis] update to match chef-redis 2.0 attributes

In redis 2.0 we renamed these attributes.
https://github.com/miah/chef-redis/blob/master/attributes/config.rb#L8-L9
[redis] make sure the proper init script is generated
Merge pull request #131 from ChrisLundquist/patch-1

[redis] update to match chef-redis 2.0 attributes
[0.9.12] bumped sensu release, removed package options, fixed windows service install
Change SSL node.set to node.override
[0.9.12] use override instead of set (normal)
[0.9.12] helper methods to select & sanitize resource attributes
[0.9.12] only create ssl attribute if use_ssl
[0.9.12] cleaned up client and base_config providers
[0.9.12] cleaned up filter, handler, and mutator providers
[0.9.12] json_file provider creates directory, gem_binary helper method
[0.9.12] definition file -> path
[0.9.12] gitignore lock files
[0.9.12] hash sanitize, drop values that are emtpy hashes
[0.9.12] added centos 6 base box url to Vagrantfile, commented out
[0.9.12] fixed base_config, uses node.sensu and not new_resource
[0.9.12] resource -> attributes
[0.9.12] package version bumps need to trigger service restarts
Merge pull request #137 from portertech/0.9.12

Several updates, many fixes/changes inspired by open PRs
[api-bind] added api bind attribute