moveit_commander: 0.5.7-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `moveit_commander` to `0.5.7-0`:

- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.10`
- previous version for package: `0.5.5-0`

## moveit_commander

```
* Merge pull request #21 <https://github.com/ros-planning/moveit_commander/issues/21> from pirobot/hydro-devel
  Added set_support_surface_name function to move_group.py
* Added set_support_surface_name function to move_group.py
* Contributors: Patrick Goebel, Sachin Chitta
```