Begin to test this module

Using sample files from https://github.com/garethr/puppet-module-skeleton/
Align `=>`s

TIL: `puppet-lint --fix`
Document `scout::ruby`
Fix indentation
Add metadata to match Modulefile

We're tagged as 1.0.7
README → GitHub Flavored Markdown with Build Status
Run `rake test` by default
More output please, Travis!
Move metadata-json-lint to test group
Install json

Addresses...

```
metadata-json-lint metadata.json
/opt/rubies/1.8.7-p358/lib/ruby/gems/1.8/gems/metadata-json-lint-0.0.2/bin/metadata-json-lint:7:in `require': no such file to load -- json (LoadError)
    from /opt/rubies/1.8.7-p358/lib/ruby/gems/1.8/gems/metadata-json-lint-0.0.2/bin/metadata-json-lint:7
    from /opt/boxen/rbenv/versions/1.8.7/bin/metadata-json-lint:19:in `load'
    from /opt/boxen/rbenv/versions/1.8.7/bin/metadata-json-lint:19
rake aborted!
Command failed with status (1): [metadata-json-lint metadata.json...]
```
Merge pull request #13 from envato/ci

RFC: Continuous Integration With Travis CI