bwi_common: 0.2.3-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `bwi_common` to `0.2.3-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.4`
- previous version for package: `0.2.2-0`

## bwi_common

```
* Update package.xml to also pull in bwi_web.
  closes #2 <https://github.com/utexas-bwi/bwi_common/issues/2>
* Contributors: Piyush Khandelwal
```

## bwi_gazebo_entities

- No changes

## bwi_mapper

- No changes

## bwi_planning_common

- No changes

## bwi_tools

- No changes

## bwi_web

- No changes

## utexas_gdc

- No changes