gazebo_ros_pkgs: 2.4.3-1 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `gazebo_ros_pkgs` to `2.4.3-1`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.9`
- previous version for package: `2.4.3-0`

## gazebo_msgs

- No changes

## gazebo_plugins

```
* gazebo_plugins: add run-time dependency on gazebo_ros
* Merge pull request #176 <https://github.com/ros-simulation/gazebo_ros_pkgs/issues/176> from ros-simulation/issue_175
  Fix #175 <https://github.com/ros-simulation/gazebo_ros_pkgs/issues/175>: dynamic reconfigure dependency error
* Remove unneeded dependency on pcl_ros
* Fix #175 <https://github.com/ros-simulation/gazebo_ros_pkgs/issues/175>: dynamic reconfigure dependency error
* Contributors: Steven Peters
```

## gazebo_ros

```
* added osx support for gazebo start scripts
* Remove gazebo_ros dependency on gazebo_plugins
* Contributors: Markus Achtelik, Steven Peters
```

## gazebo_ros_control

```
* Compatibility with Indigo's ros_control.
  Also fixes #184 <https://github.com/ros-simulation/gazebo_ros_pkgs/issues/184>.
* Remove build-time dependency on gazebo_ros.
* Fix broken build due to wrong rosconsole macro use
* Contributors: Adolfo Rodriguez Tsouroukdissian
```

## gazebo_ros_pkgs

- No changes