rosbridge_suite: 0.7.1-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `rosbridge_suite` to `0.7.1-0`:

- upstream repository: https://github.com/RobotWebTools/rosbridge_suite
- release repository: https://github.com/RobotWebTools-release/rosbridge_suite-release.git
- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.14`
- previous version for package: `0.7.0-0`

## rosapi

- No changes

## rosbridge_library

- No changes

## rosbridge_server

```
* Merge pull request #147 <https://github.com/RobotWebTools/rosbridge_suite/issues/147> from RobotWebTools/migrate_third_parties
  separate tornado and backports from rosbridge_server
* seprate out third party library and ros related script
* remove setup.py
* add rosbridge_tools as rosbridge_server dependency
* remove python-imaging dependency. it is used in rosbridge_library
* Contributors: Jihoon Lee, Russell Toris
```

## rosbridge_suite

- No changes

## rosbridge_tools

```
* seprate out third party library and ros related script
* Contributors: Jihoon Lee
```