[blacksmith] Bump version to 1.3.1
Add .bundle to .gitignore
Add sensu_gem package provider
Merge branch 'master' of github.com:sensu/sensu-puppet
Adds Vagrantfile

The vagrant file setup 2 vm's with the prerequisites already installed.
Resolves issue #262
Updates README with consistent passwords

It is confusing to have both the api and the rabbitmq password be 'secret'. This changes the rabbitmq password to 'correct-horse-battery-staple'. This is also the passwords that are used in the vagrant file.
Deletes guest user
Merge pull request #276 from spuder/vagrant

Vagrant
Merge pull request #274 from adamcrews/sensu_gem_provider

Add sensu_gem package provider
Update sensu_gem provider

* Added the feature install_options to the provider.
* Updated package install to use the sensu_gem provider if using
  the embedded ruby.
Adds puppetforge version number

It is nice when the readme links to the puppetforge and shows the latest forge version. 
This adds a puppet forge badge, similar to the travis build status badge.
Merge pull request #277 from adamcrews/sensu_gem_provider

Update sensu_gem provider
Merge pull request #278 from spuder/patch-1

Adds puppetforge version number
Merge branch 'master' of github.com:sensu/sensu-puppet