frontier_exploration: 0.1.2-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `frontier_exploration` to `0.1.2-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.2`
- previous version for package: `0.1.1-0`

## frontier_exploration

```
* fix message dependencies
* fix goal aliasing corner case
* fix empty frame name
* Update README.md
* accomodate for empty boundaries
* parametrize goal aliasing for redundant move base goals
* Contributors: Paul Bovbel
```