eric/metriks — pull request #9 by ryanlower (2012-04-18 17:04:51+00:00)
Title: Allow selection of which metrics to submit from Librato metrics reporter

Can specific ```:only``` or ```:except``` when initializing the reporter, e.g.

```ruby
Metriks::Reporter::LibratoMetrics.new(
'email',
'key',
{
prefix: 'example',
only: [
:count,
:mean,
:one_minute_rate
]
}
).start
```