[updates] removed sensu-dashboard, use opscode bento images, use packagecloud.io
[updates] use vagrant-omnibus to install chef (for its ruby), updates para-vagrant and the sensu-plugin recipe
[updates] build debs on 10.04, rpms on 5.10, /etc/default/sensu is now a config file
Merge pull request #86 from portertech/updates

Build updates for Sensu 0.13.0