Merge pull request #2261 from PX4/navigator_port

makefiles/posix/config_posix_default.mk

src/modules/controllib/blocks.hpp

src/modules/controllib/uorb/blocks.cpp

src/modules/navigator/mission.cpp

src/modules/navigator/mission_block.cpp

src/modules/navigator/navigator_main.cpp

src/platforms/px4_defines.h