rgbd_launch: 2.1.0-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `rgbd_launch` to `2.1.0-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.4`
- previous version for package: `null`

## rgbd_launch

```
* Revert "Add machine parameter". closes #5 <https://github.com/ros-drivers/rgbd_launch/issues/5>
* Contributors: Piyush Khandelwal
```