Merge branch 'cpp11' into devel

CMakeLists.txt

cmake

src/CMakeLists.txt

src/ros_publish-python.hh

src/ros_queued_subscribe-python.hh

src/ros_subscribe-python.hh

src/ros_tf_listener-python.hh

src/ros_tf_listener.hh

src/ros_time-python.hh

src/ros_time.hh