moveit_msgs: 0.6.0-0 in 'indigo/distribution.yaml' [bloom]

Increasing version of package(s) in repository `moveit_msgs` to `0.6.0-0`:

- upstream repository: https://github.com/ros-planning/moveit_msgs.git
- release repository: https://github.com/ros-gbp/moveit_msgs-release.git
- distro file: `indigo/distribution.yaml`
- bloom version: `0.5.12`
- previous version for package: `0.5.4-2`