ros_controllers: 0.8.1-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `ros_controllers` to `0.8.1-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.10`
- previous version for package: `0.8.0-1`

## diff_drive_controller

- No changes

## effort_controllers

```
* Add depend on angles
* Contributors: Scott K Logan
```

## force_torque_sensor_controller

- No changes

## forward_command_controller

- No changes

## gripper_action_controller

- No changes

## imu_sensor_controller

- No changes

## joint_state_controller

- No changes

## joint_trajectory_controller

```
* joint_trajectory_controller: Critical targets declared before calling catkin_package
* check for CATKIN_ENABLE_TESTING
* Contributors: Jonathan Bohren, Lukas Bulwahn
```

## position_controllers

- No changes

## ros_controllers

- No changes

## velocity_controllers

- No changes