openrtm_aist_core: 1.1.0-8 in 'groovy/distribution.yaml' [bloom]

Increasing version of package(s) in repository `openrtm_aist_core` to `1.1.0-8`:

- upstream repository: https://github.com/start-jsk/openrtm_aist_core.git
- release repository: https://github.com/tork-a/openrtm_aist_core-release.git
- distro file: `groovy/distribution.yaml`
- bloom version: `0.5.11`
- previous version for package: `1.1.0-7`