topic names with '# TOPICS <name>' were previously not in orb_get_topics().
This means the logger could not find them.
Affects for example actuator_controls_0.
this lets a user select what msgs should be compiled for his project
Care must be taken though, to compile all orb_topcis that are required by the Rest of the Code.
Otherwise many compile errors will occur.
This commits adds by default the ./msg include path to reference to other msgs.
if an exisiting msg is used in another msg.