dynamic_reconfigure: 1.5.38-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `dynamic_reconfigure` to `1.5.38-0`:

- upstream repository: https://github.com/ros/dynamic_reconfigure.git
- release repository: https://github.com/ros-gbp/dynamic_reconfigure-release.git
- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.16`
- previous version for package: `1.5.37-0`

## dynamic_reconfigure

```
* Fixes #35 <https://github.com/ros/dynamic_reconfigure/issues/35> by setting queue_size to 10 for publishers.
* Fixes #31 <https://github.com/ros/dynamic_reconfigure/issues/31> by removing boilerplate and copyright info from config header.
* Python 3 Support
* Honor BUILD_SHARED_LIBS and do not force building shared libraries.
* Unicode support
* Contributors: Basheer Subei, Esteve Fernandez, Gary Servin, Kei Okada, Scott K Logan
```