Remove manifest.xml since the entire package depends on wet packages open_industrial_ros_controllers.
(vs060) fix to https://github.com/start-jsk/densowave/issues/12
Merge pull request #16 from 130s/hydro-devel

Title corrected (not sure how it got messed up). This is a fix to https://github.com/start-jsk/densowave/issues/12. And I'm merging.