graph_msgs: 0.0.3-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `graph_msgs` to `0.0.3-0`:

- upstream repository: https://github.com/davetcoleman/graph_msgs
- release repository: https://github.com/davetcoleman/graph_msgs-release.git
- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.12`
- previous version for package: `0.0.2-0`

## graph_msgs

```
* Release to indigo
* Spelling fix
* Contributors: Dave Coleman
```