pr2_kinematics: 1.0.6-0 in 'hydro/distribution.yaml' [bloom]

Increasing version of package(s) in repository `pr2_kinematics` to `1.0.6-0`:

- upstream repository: https://github.com/PR2/pr2_kinematics.git
- release repository: https://github.com/TheDash/pr2_kinematics-release.git
- distro file: `hydro/distribution.yaml`
- bloom version: `0.5.12`
- previous version for package: `1.0.5-0`

## pr2_arm_kinematics

```
* Removed mainpage.dox
* Removed mainpage.dox
* Contributors: TheDash, dash
```

## pr2_kinematics

- No changes