Using the `${catkin_EXPORTED_TARGETS}` macro in all the add_dependencies statements now.
Renamed topics of comd_vel_mux to match the old ones
Also changed the name to yocs_cmd_vel_mux in package.xml to allow automated installation.
merged latest changes from other pull requests
Merge pull request #71 from cdondrup/hydro-devel

Using the ${catkin_EXPORTED_TARGETS} macro in all the add_dependencies statements now. And renamed the cmd_vel_mux topics to match the old ones.