update rqt_robot_plugins branch, add missing entries for rqt_common/robot_plugins
rqt_robot_plugins: 0.4.0-0 in 'indigo/distribution.yaml' [bloom]
Merge pull request #6214 from ros/rqt_stuff

update rqt_robot_plugins branch, add missing entries for rqt_common/robot_plugins
Merge pull request #6216 from dirk-thomas/bloom-rqt_robot_plugins-1

rqt_robot_plugins: 0.4.0-0 in 'indigo/distribution.yaml' [bloom]
rqt_robot_plugins: 0.4.0-0 in 'hydro/distribution.yaml' [bloom]