Version 0.5.0

Update to scala 2.12 and play to 2.8

Version 0.4.2

Fix bug with same named metric using OpenTSDB filters.

Version 0.4.1

Enable filters.

Version 0.4.0

Rewrite label names to be Prometheus compliant

Version 0.3.3

Exporter now accepts floating-point data point values.

Version 0.3.2

Added license (Apache 2.0).

Version 0.3.1

Fix failure to propagate query "end" parameter.

Version 0.3

The label values exposed as part of Prometheus metrics are now quoted.

Version 0.2

Pass OpenTSDB tags to Prometheus tags.