control_toolbox: 1.12.1-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `control_toolbox` to `1.12.1-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.9`
- previous version for package: `1.11.0-1`

## control_toolbox

```
* Remove broken test code. Hotfix for #18 <https://github.com/ros-controls/control_toolbox/issues/18>.
* Contributors: Adolfo Rodriguez Tsouroukdissian
```