common_msgs: 1.11.5-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `common_msgs` to `1.11.5-0`:

- upstream repository: https://github.com/ros/common_msgs.git
- release repository: https://github.com/ros-gbp/common_msgs-release.git
- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.12`
- previous version for package: `1.11.4-0`

## actionlib_msgs

- No changes

## common_msgs

- No changes

## diagnostic_msgs

- No changes

## geometry_msgs

- No changes

## nav_msgs

- No changes

## sensor_msgs

```
* add a test for the operator+ fix
  The behavior of that operator also had to be fixed to return a proper child class
* fix critical bug with operator+
* Contributors: Michael Ferguson, Vincent Rabaud
```

## shape_msgs

- No changes

## stereo_msgs

- No changes

## trajectory_msgs

- No changes

## visualization_msgs

- No changes