robot_pose_publisher: 0.2.3-0 in 'groovy/distribution.yaml' [bloom]

Increasing version of package(s) in repository `robot_pose_publisher` to `0.2.3-0`:

- distro file: `groovy/distribution.yaml`
- bloom version: `0.5.2`
- previous version for package: `0.2.2-0`

## robot_pose_publisher

```
* cleanup for release
* travis fix
* travis test
* gitignore cleanup
* Dry branch cleanup
* Contributors: Russell Toris
```