robot_model: 1.11.1-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `robot_model` to `1.11.1-0`:

- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.2`
- previous version for package: `1.11.0-0`

## collada_parser

```
* remove visual and collision if there is no vertices
* do not use visual and collision group
* fix debug message
* fix problem of root coordinates
* Contributors: YoheiKakiuchi
```

## collada_urdf

```
* Use assimp-dev dep for building
* Contributors: Scott K Logan
```

## joint_state_publisher

- No changes

## kdl_parser

- No changes

## robot_model

- No changes

## urdf

- No changes

## urdf_parser_plugin

- No changes