ros_control: 0.7.0-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `ros_control` to `0.7.0-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.2`
- previous version for package: `0.6.0-1`

## controller_interface

- No changes

## controller_manager

```
* Add --timeout option to controller spawner
* Use argparse instead of getopt
  It is a much nicer interface
* Contributors: Paul Mathieu
```

## controller_manager_msgs

- No changes

## controller_manager_tests

- No changes

## hardware_interface

```
* Add ResourceHandle typedef
* add name to anonymous objects to avoid cppcheck error
* Contributors: Daniel Pinyol, Igorec
```

## joint_limits_interface

- No changes

## ros_control

- No changes

## rqt_controller_manager

- No changes

## transmission_interface

- No changes