Because: "We are using a period to separate between the job name and the metric
name in shorthand; thusly, a metric ought not have a period in it." - Matt
A collector is a type matching 'Collector' interface.
The following collectors where added:
- NativeCollector wrapping the original functionality (attributes, load)
- GmondCollector scraping ganglia's gmond (based on gmond_exporter)
- MuninCollector scraping munin (based on munin_exporter)