rtt_rosnode: moved implementation of ros_publish_activity from header to source
rtt_rosnode: moved set and add_definitions commands to ros_generate_rtt_typekit to not influence other targets built in the same project when including GenerateRTTtypekit.cmake
Signed-off-by: Johannes Meyer <meyer@fsr.tu-darmstadt.de>
rtt_rosnode: fixed segfault when creating streams for ports without a
DataFlowInterface