bwi_planning: 0.2.1-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `bwi_planning` to `0.2.1-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.5`
- previous version for package: `0.2.0-0`

## bwi_planning

```
* added dependency on generated service file. closes #10 <https://github.com/utexas-bwi/bwi_planning/issues/10>
* modified cost_learner to have a unique build name. closes #4 <https://github.com/utexas-bwi/bwi_planning/issues/4>
* Added support for YAML-CPP 0.5+.
  The new yaml-cpp API removes the "node >> outputvar;" operator, and it
  has a new way of loading documents.
* Contributors: Piyush Khandelwal, Scott K Logan
```

## bwi_planning_icaps14

- No changes