message: travis: add release build
diff: @@ -74,14 +74,23 @@ script:
  make install;
  (cd example/takeoff_land && mkdir build && cd build && cmake .. && make);
  (cd example/fly_mission && mkdir build && cd build && cmake .. && make);
  + make clean;
  + make BUILD_TYPE=Release;
  + make run_unit_tests;
  fi
  - if [[ "${BUILD_TARGET}" = "docker_build" ]]; then
  docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make;
  docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make run_unit_tests;
  docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make fix_style;
  docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make docs;
  + docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make clean;
  + docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make BUILD_TYPE=Release;
  + docker run -it -v $TRAVIS_BUILD_DIR:/home/docker1000/src/DroneCore:rw dronecore/dronecore make run_unit_tests;
  fi
  - if [[ "${BUILD_TARGET}" = "osx_build" ]]; then
  make;
  make run_unit_tests;
  + make clean;
  + make BUILD_TYPE=Release;
  + make run_unit_tests;
  fi
  