Merge pull request #867 from PX4/launchdetector_copyright

src/lib/launchdetection/CatapultLaunchMethod.cpp

src/lib/launchdetection/CatapultLaunchMethod.h

src/lib/launchdetection/LaunchDetector.cpp

src/lib/launchdetection/LaunchDetector.h

src/lib/launchdetection/LaunchMethod.h

src/lib/launchdetection/launchdetection_params.c

src/lib/launchdetection/module.mk