ros_comm: 1.11.3-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `ros_comm` to `1.11.3-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.8`
- previous version for package: `1.11.2-0`

## message_filters

- No changes

## ros_comm

- No changes

## rosbag

- No changes

## rosbag_storage

- No changes

## rosconsole

- No changes

## roscpp

- No changes

## rosgraph

- No changes

## roslaunch

- No changes

## roslz4

- No changes

## rosmaster

- No changes

## rosmsg

- No changes

## rosnode

- No changes

## rosout

- No changes

## rosparam

- No changes

## rospy

```
* allow shutdown hooks to be any callable object (#410 <https://github.com/ros/ros_comm/issues/410>)
* add demux program and related scripts (#407 <https://github.com/ros/ros_comm/issues/407>)
* add publisher queue_size to rostopic
```

## rosservice

- No changes

## rostest

- No changes

## rostopic

```
* add publisher queue_size to rostopic
```

## roswtf

- No changes

## topic_tools

```
* add demux program and related scripts (#407 <https://github.com/ros/ros_comm/issues/407>)
```

## xmlrpcpp

- No changes