Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_control
publish the status of jsk_teleop_joy to /diagnostics.
decrease the number of the messages if the joy stick type is failed to
be estimated.
publish the status of the estimation to /diagnostics
Merge pull request #33 from garaemon/add-diagnostic

publish the status of joy manager to /diagnostics