camera_umd: 0.2.4-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `camera_umd` to `0.2.4-0`:

- upstream repository: https://github.com/ktossell/camera_umd.git
- release repository: https://github.com/ktossell/camera_umd-release.git
- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.10`
- previous version for package: `0.2.3-0`

## camera_umd

- No changes

## jpeg_streamer

- No changes

## uvc_camera

```
* Added new parameters: auto_focus (bool), focus_absolute (int), auto_exposure (bool),
  exposure_absolute (int), power_line_frequency (int: 0/50/60)
* Contributors: Andreas Bihlmaier
```