added detection_msg to marker_msg conversion
Merge pull request #8 from ipa-goa-sf/electric_dev

added detection_msg to marker_msg conversion
changed thickness of bounding box marker
Merge pull request #9 from ipa320/electric_dev

Message conversion
Merge branch 'groovy_dev' of github.com:ipa320/cob_perception_common into groovy_dev-320
Merge branch 'groovy_dev-320' into groovy_dev