Merge remote-tracking branch 'origin/groovy' into groovy

CMakeLists.txt

src/converter.hh

src/dynamic_graph/ros/__init__.py

src/dynamic_graph/ros/ros.py

src/ros_publish.cpp

src/ros_publish.hh

src/ros_publish.hxx

src/ros_subscribe.cpp

src/ros_subscribe.hh

src/ros_subscribe.hxx

src/sot_to_ros.cpp

src/sot_to_ros.hh