moveit_msgs: 0.5.4-2 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `moveit_msgs` to `0.5.4-2`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.1`
- previous version for package: `0.5.3-0`

## moveit_msgs

```
* update e-mail addresses
* Contributors: Ioan Sucan
```