Adjust changelog for 0.81.0
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## Unreleased
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## [0.81.0](https://github.com/habitat-sh/habitat/tree/0.81.0) (2019-05-06)
[Full Changelog](https://github.com/habitat-sh/habitat/compare/0.80.0...0.81.0)
- Propagate host license acceptance into docker containers [#6522](https://github.com/habitat-sh/habitat/pull/6522) ([raskchanky](https://github.com/raskchanky))
- Sets project status and SLA [#6473](https://github.com/habitat-sh/habitat/pull/6473) ([dmccown](https://github.com/dmccown))
- Revert &quot;Switch to parking_lot&#39;s RwLock and add CI deadlock detection&quot; [#6513](https://github.com/habitat-sh/habitat/pull/6513) ([raskchanky](https://github.com/raskchanky))
-<!-- latest_release -->
## [0.80.0](https://github.com/habitat-sh/habitat/tree/0.80.0) (2019-04-30)
[Full Changelog](https://github.com/habitat-sh/habitat/compare/0.79.1...0.80.0)
