support for DDog agent/layer

Merge pull request #81 from wvj384/dogstatsd-metrics

Optional metrics reporting via statsd

Code Loading configuration

2.1.1

Code load configuration

handle error better

Merge pull request #8 from alertlogic/explicit_fail

handle explicit errors better

First draft

Merge pull request #2 from alertlogic/scan-format

remove new-lines the otp logger way