Linux "guest" metrics for VMs are already accounted for in node_cpu
`user` and `nice` metrics.  Separate these into their own metric to
avoid duplication of data.

* Release v0.15.0

* Bump version.
* Update CHANGELOG.

* Update to Go 1.9 in circle.yml

Ben Kochie authored 7 years ago and Ben Kochie committed 7 years ago

* Update `VERSION`.
* Update `CHANGLOG.md`.

* Update VERSION.
* Update CHANGELOG.

* Update CHANGELOG
* Update VERSION

Update CHANGELOG with new features/bugfixes.

* Update CHANGELOG.md.
* Update VERSION.

This release adds the IPVS collector and removes the deprecated
attributes collector.